123886251380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4591781}}^1$

素因数の和:4591880

約数の個数: 48

約数和(自身を含む): 277710975360

約数和(自身を除く): 153824723980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 13490, 26980, 4591781, 9183562, 18367124, 22958905, 45917810, 87243839, 91835620, 174487678, 326016451, 348975356, 436219195, 652032902, 872438390, 1304065804, 1630082255, 1744876780, 3260164510, 6194312569, 6520329020, 12388625138, 24777250276, 30971562845, 61943125690, 123886251380]

約数ペア:

[(1, 123886251380), (2, 61943125690), (4, 30971562845), (5, 24777250276), (10, 12388625138), (19, 6520329020), (20, 6194312569), (38, 3260164510), (71, 1744876780), (76, 1630082255), (95, 1304065804), (142, 872438390), (190, 652032902), (284, 436219195), (355, 348975356), (380, 326016451), (710, 174487678), (1349, 91835620), (1420, 87243839), (2698, 45917810), (5396, 22958905), (6745, 18367124), (13490, 9183562), (26980, 4591781)]