207835420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1213}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 471129120

約数和(自身を除く): 263293700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 659, 1213, 1318, 2426, 2636, 3295, 4852, 6065, 6590, 8567, 12130, 13180, 15769, 17134, 24260, 31538, 34268, 42835, 63076, 78845, 85670, 157690, 171340, 315380, 799367, 1598734, 3197468, 3996835, 7993670, 10391771, 15987340, 20783542, 41567084, 51958855, 103917710, 207835420]

約数ペア:

[(1, 207835420), (2, 103917710), (4, 51958855), (5, 41567084), (10, 20783542), (13, 15987340), (20, 10391771), (26, 7993670), (52, 3996835), (65, 3197468), (130, 1598734), (260, 799367), (659, 315380), (1213, 171340), (1318, 157690), (2426, 85670), (2636, 78845), (3295, 63076), (4852, 42835), (6065, 34268), (6590, 31538), (8567, 24260), (12130, 17134), (13180, 15769)]