100399180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4813}}^1$

素因数の和:4978

約数の個数: 48

約数和(自身を含む): 242625600

約数和(自身を除く): 142226420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 4813, 5215, 9626, 10430, 19252, 20860, 24065, 33691, 48130, 67382, 96260, 134764, 168455, 336910, 673820, 717137, 1434274, 2868548, 3585685, 5019959, 7171370, 10039918, 14342740, 20079836, 25099795, 50199590, 100399180]

約数ペア:

[(1, 100399180), (2, 50199590), (4, 25099795), (5, 20079836), (7, 14342740), (10, 10039918), (14, 7171370), (20, 5019959), (28, 3585685), (35, 2868548), (70, 1434274), (140, 717137), (149, 673820), (298, 336910), (596, 168455), (745, 134764), (1043, 96260), (1490, 67382), (2086, 48130), (2980, 33691), (4172, 24065), (4813, 20860), (5215, 19252), (9626, 10430)]