87775940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1637}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 211341312

約数和(自身を除く): 123565372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 766, 1532, 1637, 1915, 2681, 3274, 3830, 5362, 6548, 7660, 8185, 10724, 11459, 13405, 16370, 22918, 26810, 32740, 45836, 53620, 57295, 114590, 229180, 626971, 1253942, 2507884, 3134855, 4388797, 6269710, 8777594, 12539420, 17555188, 21943985, 43887970, 87775940]

約数ペア:

[(1, 87775940), (2, 43887970), (4, 21943985), (5, 17555188), (7, 12539420), (10, 8777594), (14, 6269710), (20, 4388797), (28, 3134855), (35, 2507884), (70, 1253942), (140, 626971), (383, 229180), (766, 114590), (1532, 57295), (1637, 53620), (1915, 45836), (2681, 32740), (3274, 26810), (3830, 22918), (5362, 16370), (6548, 13405), (7660, 11459), (8185, 10724)]