172945420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{2281}}^1$

素因数の和:2530

約数の個数: 48

約数和(自身を含む): 386443008

約数和(自身を除く): 213497588

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 223, 340, 446, 892, 1115, 2230, 2281, 3791, 4460, 4562, 7582, 9124, 11405, 15164, 18955, 22810, 37910, 38777, 45620, 75820, 77554, 155108, 193885, 387770, 508663, 775540, 1017326, 2034652, 2543315, 5086630, 8647271, 10173260, 17294542, 34589084, 43236355, 86472710, 172945420]

約数ペア:

[(1, 172945420), (2, 86472710), (4, 43236355), (5, 34589084), (10, 17294542), (17, 10173260), (20, 8647271), (34, 5086630), (68, 2543315), (85, 2034652), (170, 1017326), (223, 775540), (340, 508663), (446, 387770), (892, 193885), (1115, 155108), (2230, 77554), (2281, 75820), (3791, 45620), (4460, 38777), (4562, 37910), (7582, 22810), (9124, 18955), (11405, 15164)]