1628533540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{70991}}^1$

素因数の和:71068

約数の個数: 48

約数和(自身を含む): 3625703424

約数和(自身を除く): 1997169884

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 22940, 70991, 141982, 283964, 354955, 709910, 1419820, 2200721, 2626667, 4401442, 5253334, 8802884, 10506668, 11003605, 13133335, 22007210, 26266670, 44014420, 52533340, 81426677, 162853354, 325706708, 407133385, 814266770, 1628533540]

約数ペア:

[(1, 1628533540), (2, 814266770), (4, 407133385), (5, 325706708), (10, 162853354), (20, 81426677), (31, 52533340), (37, 44014420), (62, 26266670), (74, 22007210), (124, 13133335), (148, 11003605), (155, 10506668), (185, 8802884), (310, 5253334), (370, 4401442), (620, 2626667), (740, 2200721), (1147, 1419820), (2294, 709910), (4588, 354955), (5735, 283964), (11470, 141982), (22940, 70991)]