31370950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 67151952

約数和(自身を除く): 35781002

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 167, 170, 221, 289, 325, 334, 425, 442, 578, 650, 835, 850, 1105, 1445, 1670, 2171, 2210, 2839, 2890, 3757, 4175, 4342, 5525, 5678, 7225, 7514, 8350, 10855, 11050, 14195, 14450, 18785, 21710, 28390, 36907, 37570, 48263, 54275, 70975, 73814, 93925, 96526, 108550, 141950, 184535, 187850, 241315, 369070, 482630, 627419, 922675, 1206575, 1254838, 1845350, 2413150, 3137095, 6274190, 15685475, 31370950]

約数ペア:

[(1, 31370950), (2, 15685475), (5, 6274190), (10, 3137095), (13, 2413150), (17, 1845350), (25, 1254838), (26, 1206575), (34, 922675), (50, 627419), (65, 482630), (85, 369070), (130, 241315), (167, 187850), (170, 184535), (221, 141950), (289, 108550), (325, 96526), (334, 93925), (425, 73814), (442, 70975), (578, 54275), (650, 48263), (835, 37570), (850, 36907), (1105, 28390), (1445, 21710), (1670, 18785), (2171, 14450), (2210, 14195), (2839, 11050), (2890, 10855), (3757, 8350), (4175, 7514), (4342, 7225), (5525, 5678)]