17209640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61463}}^1$

素因数の和:61481

約数の個数: 32

約数和(自身を含む): 44254080

約数和(自身を除く): 27044440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 61463, 122926, 245852, 307315, 430241, 491704, 614630, 860482, 1229260, 1720964, 2151205, 2458520, 3441928, 4302410, 8604820, 17209640]

約数ペア:

[(1, 17209640), (2, 8604820), (4, 4302410), (5, 3441928), (7, 2458520), (8, 2151205), (10, 1720964), (14, 1229260), (20, 860482), (28, 614630), (35, 491704), (40, 430241), (56, 307315), (70, 245852), (140, 122926), (280, 61463)]