310588820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{13399}}^1$

素因数の和:13488

約数の個数: 48

約数和(自身を含む): 697872000

約数和(自身を除く): 387283180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 11590, 13399, 23180, 26798, 53596, 66995, 133990, 254581, 267980, 509162, 817339, 1018324, 1272905, 1634678, 2545810, 3269356, 4086695, 5091620, 8173390, 15529441, 16346780, 31058882, 62117764, 77647205, 155294410, 310588820]

約数ペア:

[(1, 310588820), (2, 155294410), (4, 77647205), (5, 62117764), (10, 31058882), (19, 16346780), (20, 15529441), (38, 8173390), (61, 5091620), (76, 4086695), (95, 3269356), (122, 2545810), (190, 1634678), (244, 1272905), (305, 1018324), (380, 817339), (610, 509162), (1159, 267980), (1220, 254581), (2318, 133990), (4636, 66995), (5795, 53596), (11590, 26798), (13399, 23180)]