31713640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{593}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 82114560

約数和(自身を除く): 50400920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 593, 764, 955, 1186, 1337, 1528, 1910, 2372, 2674, 2965, 3820, 4151, 4744, 5348, 5930, 6685, 7640, 8302, 10696, 11860, 13370, 16604, 20755, 23720, 26740, 33208, 41510, 53480, 83020, 113263, 166040, 226526, 453052, 566315, 792841, 906104, 1132630, 1585682, 2265260, 3171364, 3964205, 4530520, 6342728, 7928410, 15856820, 31713640]

約数ペア:

[(1, 31713640), (2, 15856820), (4, 7928410), (5, 6342728), (7, 4530520), (8, 3964205), (10, 3171364), (14, 2265260), (20, 1585682), (28, 1132630), (35, 906104), (40, 792841), (56, 566315), (70, 453052), (140, 226526), (191, 166040), (280, 113263), (382, 83020), (593, 53480), (764, 41510), (955, 33208), (1186, 26740), (1337, 23720), (1528, 20755), (1910, 16604), (2372, 13370), (2674, 11860), (2965, 10696), (3820, 8302), (4151, 7640), (4744, 6685), (5348, 5930)]