201321100

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{12823}}^1$

素因数の和:12994

約数の個数: 36

約数和(自身を含む): 439683664

約数和(自身を除く): 238362564

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 3140, 3925, 7850, 12823, 15700, 25646, 51292, 64115, 128230, 256460, 320575, 641150, 1282300, 2013211, 4026422, 8052844, 10066055, 20132110, 40264220, 50330275, 100660550, 201321100]

約数ペア:

[(1, 201321100), (2, 100660550), (4, 50330275), (5, 40264220), (10, 20132110), (20, 10066055), (25, 8052844), (50, 4026422), (100, 2013211), (157, 1282300), (314, 641150), (628, 320575), (785, 256460), (1570, 128230), (3140, 64115), (3925, 51292), (7850, 25646), (12823, 15700)]