385185840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123457}}^1$

素因数の和:123486

約数の個数: 80

約数和(自身を含む): 1285938528

約数和(自身を除く): 900752688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 123457, 246914, 370371, 493828, 617285, 740742, 987656, 1234570, 1481484, 1604941, 1851855, 1975312, 2469140, 2962968, 3209882, 3703710, 4814823, 4938280, 5925936, 6419764, 7407420, 8024705, 9629646, 9876560, 12839528, 14814840, 16049410, 19259292, 24074115, 25679056, 29629680, 32098820, 38518584, 48148230, 64197640, 77037168, 96296460, 128395280, 192592920, 385185840]

約数ペア:

[(1, 385185840), (2, 192592920), (3, 128395280), (4, 96296460), (5, 77037168), (6, 64197640), (8, 48148230), (10, 38518584), (12, 32098820), (13, 29629680), (15, 25679056), (16, 24074115), (20, 19259292), (24, 16049410), (26, 14814840), (30, 12839528), (39, 9876560), (40, 9629646), (48, 8024705), (52, 7407420), (60, 6419764), (65, 5925936), (78, 4938280), (80, 4814823), (104, 3703710), (120, 3209882), (130, 2962968), (156, 2469140), (195, 1975312), (208, 1851855), (240, 1604941), (260, 1481484), (312, 1234570), (390, 987656), (520, 740742), (624, 617285), (780, 493828), (1040, 370371), (1560, 246914), (3120, 123457)]