285598040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2593

約数の個数: 128

約数和(自身を含む): 816721920

約数和(自身を除く): 531123880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2531, 2821, 3224, 3640, 4030, 4340, 5062, 5642, 8060, 8680, 10124, 11284, 12655, 14105, 16120, 17717, 20248, 22568, 25310, 28210, 32903, 35434, 50620, 56420, 65806, 70868, 78461, 88585, 101240, 112840, 131612, 141736, 156922, 164515, 177170, 230321, 263224, 313844, 329030, 354340, 392305, 460642, 549227, 627688, 658060, 708680, 784610, 921284, 1019993, 1098454, 1151605, 1316120, 1569220, 1842568, 2039986, 2196908, 2303210, 2746135, 3138440, 4079972, 4393816, 4606420, 5099965, 5492270, 7139951, 8159944, 9212840, 10199930, 10984540, 14279902, 20399860, 21969080, 28559804, 35699755, 40799720, 57119608, 71399510, 142799020, 285598040]

約数ペア:

[(1, 285598040), (2, 142799020), (4, 71399510), (5, 57119608), (7, 40799720), (8, 35699755), (10, 28559804), (13, 21969080), (14, 20399860), (20, 14279902), (26, 10984540), (28, 10199930), (31, 9212840), (35, 8159944), (40, 7139951), (52, 5492270), (56, 5099965), (62, 4606420), (65, 4393816), (70, 4079972), (91, 3138440), (104, 2746135), (124, 2303210), (130, 2196908), (140, 2039986), (155, 1842568), (182, 1569220), (217, 1316120), (248, 1151605), (260, 1098454), (280, 1019993), (310, 921284), (364, 784610), (403, 708680), (434, 658060), (455, 627688), (520, 549227), (620, 460642), (728, 392305), (806, 354340), (868, 329030), (910, 313844), (1085, 263224), (1240, 230321), (1612, 177170), (1736, 164515), (1820, 156922), (2015, 141736), (2170, 131612), (2531, 112840), (2821, 101240), (3224, 88585), (3640, 78461), (4030, 70868), (4340, 65806), (5062, 56420), (5642, 50620), (8060, 35434), (8680, 32903), (10124, 28210), (11284, 25310), (12655, 22568), (14105, 20248), (16120, 17717)]