209758920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 256

約数和(自身を含む): 784028160

約数和(自身を除く): 574269240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 37, 40, 42, 51, 56, 60, 68, 70, 74, 84, 85, 102, 105, 111, 119, 120, 136, 140, 148, 168, 170, 185, 204, 210, 222, 238, 255, 259, 280, 296, 340, 357, 370, 397, 408, 420, 444, 476, 510, 518, 555, 595, 629, 680, 714, 740, 777, 794, 840, 888, 952, 1020, 1036, 1110, 1190, 1191, 1258, 1295, 1428, 1480, 1554, 1588, 1785, 1887, 1985, 2040, 2072, 2220, 2380, 2382, 2516, 2590, 2779, 2856, 3108, 3145, 3176, 3570, 3774, 3885, 3970, 4403, 4440, 4760, 4764, 5032, 5180, 5558, 5955, 6216, 6290, 6749, 7140, 7548, 7770, 7940, 8337, 8806, 9435, 9528, 10360, 11116, 11910, 12580, 13209, 13498, 13895, 14280, 14689, 15096, 15540, 15880, 16674, 17612, 18870, 20247, 22015, 22232, 23820, 25160, 26418, 26996, 27790, 29378, 31080, 33348, 33745, 35224, 37740, 40494, 41685, 44030, 44067, 47243, 47640, 52836, 53992, 55580, 58756, 66045, 66696, 67490, 73445, 75480, 80988, 83370, 88060, 88134, 94486, 101235, 102823, 105672, 111160, 117512, 132090, 134980, 141729, 146890, 161976, 166740, 176120, 176268, 188972, 202470, 205646, 220335, 236215, 249713, 264180, 269960, 283458, 293780, 308469, 333480, 352536, 377944, 404940, 411292, 440670, 472430, 499426, 514115, 528360, 566916, 587560, 616938, 708645, 749139, 809880, 822584, 881340, 944860, 998852, 1028230, 1133832, 1233876, 1248565, 1417290, 1498278, 1542345, 1747991, 1762680, 1889720, 1997704, 2056460, 2467752, 2497130, 2834580, 2996556, 3084690, 3495982, 3745695, 4112920, 4994260, 5243973, 5669160, 5993112, 6169380, 6991964, 7491390, 8739955, 9988520, 10487946, 12338760, 13983928, 14982780, 17479910, 20975892, 26219865, 29965560, 34959820, 41951784, 52439730, 69919640, 104879460, 209758920]

約数ペア:

[(1, 209758920), (2, 104879460), (3, 69919640), (4, 52439730), (5, 41951784), (6, 34959820), (7, 29965560), (8, 26219865), (10, 20975892), (12, 17479910), (14, 14982780), (15, 13983928), (17, 12338760), (20, 10487946), (21, 9988520), (24, 8739955), (28, 7491390), (30, 6991964), (34, 6169380), (35, 5993112), (37, 5669160), (40, 5243973), (42, 4994260), (51, 4112920), (56, 3745695), (60, 3495982), (68, 3084690), (70, 2996556), (74, 2834580), (84, 2497130), (85, 2467752), (102, 2056460), (105, 1997704), (111, 1889720), (119, 1762680), (120, 1747991), (136, 1542345), (140, 1498278), (148, 1417290), (168, 1248565), (170, 1233876), (185, 1133832), (204, 1028230), (210, 998852), (222, 944860), (238, 881340), (255, 822584), (259, 809880), (280, 749139), (296, 708645), (340, 616938), (357, 587560), (370, 566916), (397, 528360), (408, 514115), (420, 499426), (444, 472430), (476, 440670), (510, 411292), (518, 404940), (555, 377944), (595, 352536), (629, 333480), (680, 308469), (714, 293780), (740, 283458), (777, 269960), (794, 264180), (840, 249713), (888, 236215), (952, 220335), (1020, 205646), (1036, 202470), (1110, 188972), (1190, 176268), (1191, 176120), (1258, 166740), (1295, 161976), (1428, 146890), (1480, 141729), (1554, 134980), (1588, 132090), (1785, 117512), (1887, 111160), (1985, 105672), (2040, 102823), (2072, 101235), (2220, 94486), (2380, 88134), (2382, 88060), (2516, 83370), (2590, 80988), (2779, 75480), (2856, 73445), (3108, 67490), (3145, 66696), (3176, 66045), (3570, 58756), (3774, 55580), (3885, 53992), (3970, 52836), (4403, 47640), (4440, 47243), (4760, 44067), (4764, 44030), (5032, 41685), (5180, 40494), (5558, 37740), (5955, 35224), (6216, 33745), (6290, 33348), (6749, 31080), (7140, 29378), (7548, 27790), (7770, 26996), (7940, 26418), (8337, 25160), (8806, 23820), (9435, 22232), (9528, 22015), (10360, 20247), (11116, 18870), (11910, 17612), (12580, 16674), (13209, 15880), (13498, 15540), (13895, 15096), (14280, 14689)]