308974640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12917}}^1$

素因数の和:12966

約数の個数: 80

約数和(自身を含む): 807323328

約数和(自身を除く): 498348688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 12917, 23920, 25834, 51668, 64585, 103336, 129170, 167921, 206672, 258340, 297091, 335842, 516680, 594182, 671684, 839605, 1033360, 1188364, 1343368, 1485455, 1679210, 2376728, 2686736, 2970910, 3358420, 3862183, 4753456, 5941820, 6716840, 7724366, 11883640, 13433680, 15448732, 19310915, 23767280, 30897464, 38621830, 61794928, 77243660, 154487320, 308974640]

約数ペア:

[(1, 308974640), (2, 154487320), (4, 77243660), (5, 61794928), (8, 38621830), (10, 30897464), (13, 23767280), (16, 19310915), (20, 15448732), (23, 13433680), (26, 11883640), (40, 7724366), (46, 6716840), (52, 5941820), (65, 4753456), (80, 3862183), (92, 3358420), (104, 2970910), (115, 2686736), (130, 2376728), (184, 1679210), (208, 1485455), (230, 1343368), (260, 1188364), (299, 1033360), (368, 839605), (460, 671684), (520, 594182), (598, 516680), (920, 335842), (1040, 297091), (1196, 258340), (1495, 206672), (1840, 167921), (2392, 129170), (2990, 103336), (4784, 64585), (5980, 51668), (11960, 25834), (12917, 23920)]