398490540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 288

約数和(自身を含む): 1402867200

約数和(自身を除く): 1004376660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 67, 68, 70, 84, 85, 98, 102, 105, 119, 134, 140, 147, 170, 196, 201, 204, 210, 238, 245, 255, 268, 289, 294, 335, 340, 343, 357, 402, 420, 469, 476, 490, 510, 578, 588, 595, 670, 686, 714, 735, 804, 833, 867, 938, 980, 1005, 1020, 1029, 1139, 1156, 1190, 1340, 1372, 1407, 1428, 1445, 1470, 1666, 1715, 1734, 1785, 1876, 2010, 2023, 2058, 2278, 2345, 2380, 2499, 2814, 2890, 2940, 3283, 3332, 3417, 3430, 3468, 3570, 4020, 4046, 4116, 4165, 4335, 4556, 4690, 4998, 5145, 5628, 5695, 5780, 5831, 6069, 6566, 6834, 6860, 7035, 7140, 7973, 8092, 8330, 8670, 9380, 9849, 9996, 10115, 10290, 11390, 11662, 12138, 12495, 13132, 13668, 14070, 14161, 15946, 16415, 16660, 17085, 17340, 17493, 19363, 19698, 20230, 20580, 22780, 22981, 23324, 23919, 24276, 24990, 28140, 28322, 29155, 30345, 31892, 32830, 34170, 34986, 38726, 39396, 39865, 40460, 42483, 45962, 47838, 49245, 49980, 55811, 56644, 58089, 58310, 60690, 65660, 68340, 68943, 69972, 70805, 77452, 79730, 84966, 87465, 91924, 95676, 96815, 98490, 99127, 111622, 114905, 116178, 116620, 119595, 121380, 135541, 137886, 141610, 159460, 167433, 169932, 174930, 193630, 196980, 198254, 212415, 223244, 229810, 232356, 239190, 271082, 275772, 279055, 283220, 290445, 297381, 334866, 344715, 349860, 387260, 390677, 396508, 406623, 424830, 459620, 478380, 495635, 542164, 558110, 580890, 594762, 669732, 677705, 689430, 781354, 813246, 837165, 849660, 948787, 991270, 1116220, 1161780, 1172031, 1189524, 1355410, 1378860, 1486905, 1562708, 1626492, 1674330, 1897574, 1953385, 1982540, 2033115, 2344062, 2710820, 2846361, 2973810, 3348660, 3795148, 3906770, 4066230, 4688124, 4743935, 5692722, 5860155, 5947620, 6641509, 7813540, 8132460, 9487870, 11385444, 11720310, 13283018, 14231805, 18975740, 19924527, 23440620, 26566036, 28463610, 33207545, 39849054, 56927220, 66415090, 79698108, 99622635, 132830180, 199245270, 398490540]

約数ペア:

[(1, 398490540), (2, 199245270), (3, 132830180), (4, 99622635), (5, 79698108), (6, 66415090), (7, 56927220), (10, 39849054), (12, 33207545), (14, 28463610), (15, 26566036), (17, 23440620), (20, 19924527), (21, 18975740), (28, 14231805), (30, 13283018), (34, 11720310), (35, 11385444), (42, 9487870), (49, 8132460), (51, 7813540), (60, 6641509), (67, 5947620), (68, 5860155), (70, 5692722), (84, 4743935), (85, 4688124), (98, 4066230), (102, 3906770), (105, 3795148), (119, 3348660), (134, 2973810), (140, 2846361), (147, 2710820), (170, 2344062), (196, 2033115), (201, 1982540), (204, 1953385), (210, 1897574), (238, 1674330), (245, 1626492), (255, 1562708), (268, 1486905), (289, 1378860), (294, 1355410), (335, 1189524), (340, 1172031), (343, 1161780), (357, 1116220), (402, 991270), (420, 948787), (469, 849660), (476, 837165), (490, 813246), (510, 781354), (578, 689430), (588, 677705), (595, 669732), (670, 594762), (686, 580890), (714, 558110), (735, 542164), (804, 495635), (833, 478380), (867, 459620), (938, 424830), (980, 406623), (1005, 396508), (1020, 390677), (1029, 387260), (1139, 349860), (1156, 344715), (1190, 334866), (1340, 297381), (1372, 290445), (1407, 283220), (1428, 279055), (1445, 275772), (1470, 271082), (1666, 239190), (1715, 232356), (1734, 229810), (1785, 223244), (1876, 212415), (2010, 198254), (2023, 196980), (2058, 193630), (2278, 174930), (2345, 169932), (2380, 167433), (2499, 159460), (2814, 141610), (2890, 137886), (2940, 135541), (3283, 121380), (3332, 119595), (3417, 116620), (3430, 116178), (3468, 114905), (3570, 111622), (4020, 99127), (4046, 98490), (4116, 96815), (4165, 95676), (4335, 91924), (4556, 87465), (4690, 84966), (4998, 79730), (5145, 77452), (5628, 70805), (5695, 69972), (5780, 68943), (5831, 68340), (6069, 65660), (6566, 60690), (6834, 58310), (6860, 58089), (7035, 56644), (7140, 55811), (7973, 49980), (8092, 49245), (8330, 47838), (8670, 45962), (9380, 42483), (9849, 40460), (9996, 39865), (10115, 39396), (10290, 38726), (11390, 34986), (11662, 34170), (12138, 32830), (12495, 31892), (13132, 30345), (13668, 29155), (14070, 28322), (14161, 28140), (15946, 24990), (16415, 24276), (16660, 23919), (17085, 23324), (17340, 22981), (17493, 22780), (19363, 20580), (19698, 20230)]