201988360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721387}}^1$

素因数の和:721405

約数の個数: 32

約数和(自身を含む): 519399360

約数和(自身を除く): 317411000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721387, 1442774, 2885548, 3606935, 5049709, 5771096, 7213870, 10099418, 14427740, 20198836, 25248545, 28855480, 40397672, 50497090, 100994180, 201988360]

約数ペア:

[(1, 201988360), (2, 100994180), (4, 50497090), (5, 40397672), (7, 28855480), (8, 25248545), (10, 20198836), (14, 14427740), (20, 10099418), (28, 7213870), (35, 5771096), (40, 5049709), (56, 3606935), (70, 2885548), (140, 1442774), (280, 721387)]