2857443820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2053

約数の個数: 192

約数和(自身を含む): 8039808000

約数和(自身を除く): 5182364180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 343, 380, 385, 418, 490, 532, 539, 665, 686, 770, 836, 931, 980, 1045, 1078, 1330, 1372, 1463, 1540, 1715, 1862, 1993, 2090, 2156, 2660, 2695, 2926, 3430, 3724, 3773, 3986, 4180, 4655, 5390, 5852, 6517, 6860, 7315, 7546, 7972, 9310, 9965, 10241, 10780, 13034, 13951, 14630, 15092, 18620, 18865, 19930, 20482, 21923, 26068, 27902, 29260, 32585, 37730, 37867, 39860, 40964, 43846, 51205, 55804, 65170, 69755, 71687, 75460, 75734, 87692, 97657, 102410, 109615, 130340, 139510, 143374, 151468, 153461, 189335, 195314, 204820, 219230, 265069, 279020, 286748, 306922, 358435, 378670, 390628, 416537, 438460, 488285, 530138, 613844, 683599, 716870, 757340, 767305, 833074, 976570, 1060276, 1074227, 1325345, 1367198, 1433740, 1534610, 1666148, 1855483, 1953140, 2082685, 2148454, 2650690, 2734396, 2915759, 3069220, 3417995, 3710966, 4165370, 4296908, 5301380, 5371135, 5831518, 6835990, 7421932, 7519589, 8330740, 9277415, 10742270, 11663036, 12988381, 13671980, 14578795, 15039178, 18554830, 20410313, 21484540, 25976762, 29157590, 30078356, 37109660, 37597945, 40820626, 51953524, 58315180, 64941905, 75195890, 81641252, 102051565, 129883810, 142872191, 150391780, 204103130, 259767620, 285744382, 408206260, 571488764, 714360955, 1428721910, 2857443820]

約数ペア:

[(1, 2857443820), (2, 1428721910), (4, 714360955), (5, 571488764), (7, 408206260), (10, 285744382), (11, 259767620), (14, 204103130), (19, 150391780), (20, 142872191), (22, 129883810), (28, 102051565), (35, 81641252), (38, 75195890), (44, 64941905), (49, 58315180), (55, 51953524), (70, 40820626), (76, 37597945), (77, 37109660), (95, 30078356), (98, 29157590), (110, 25976762), (133, 21484540), (140, 20410313), (154, 18554830), (190, 15039178), (196, 14578795), (209, 13671980), (220, 12988381), (245, 11663036), (266, 10742270), (308, 9277415), (343, 8330740), (380, 7519589), (385, 7421932), (418, 6835990), (490, 5831518), (532, 5371135), (539, 5301380), (665, 4296908), (686, 4165370), (770, 3710966), (836, 3417995), (931, 3069220), (980, 2915759), (1045, 2734396), (1078, 2650690), (1330, 2148454), (1372, 2082685), (1463, 1953140), (1540, 1855483), (1715, 1666148), (1862, 1534610), (1993, 1433740), (2090, 1367198), (2156, 1325345), (2660, 1074227), (2695, 1060276), (2926, 976570), (3430, 833074), (3724, 767305), (3773, 757340), (3986, 716870), (4180, 683599), (4655, 613844), (5390, 530138), (5852, 488285), (6517, 438460), (6860, 416537), (7315, 390628), (7546, 378670), (7972, 358435), (9310, 306922), (9965, 286748), (10241, 279020), (10780, 265069), (13034, 219230), (13951, 204820), (14630, 195314), (15092, 189335), (18620, 153461), (18865, 151468), (19930, 143374), (20482, 139510), (21923, 130340), (26068, 109615), (27902, 102410), (29260, 97657), (32585, 87692), (37730, 75734), (37867, 75460), (39860, 71687), (40964, 69755), (43846, 65170), (51205, 55804)]