31582040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 81864000

約数和(自身を除く): 50281960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 757, 1043, 1192, 1490, 1514, 2086, 2980, 3028, 3785, 4172, 5215, 5299, 5960, 6056, 7570, 8344, 10430, 10598, 15140, 20860, 21196, 26495, 30280, 41720, 42392, 52990, 105980, 112793, 211960, 225586, 451172, 563965, 789551, 902344, 1127930, 1579102, 2255860, 3158204, 3947755, 4511720, 6316408, 7895510, 15791020, 31582040]

約数ペア:

[(1, 31582040), (2, 15791020), (4, 7895510), (5, 6316408), (7, 4511720), (8, 3947755), (10, 3158204), (14, 2255860), (20, 1579102), (28, 1127930), (35, 902344), (40, 789551), (56, 563965), (70, 451172), (140, 225586), (149, 211960), (280, 112793), (298, 105980), (596, 52990), (745, 42392), (757, 41720), (1043, 30280), (1192, 26495), (1490, 21196), (1514, 20860), (2086, 15140), (2980, 10598), (3028, 10430), (3785, 8344), (4172, 7570), (5215, 6056), (5299, 5960)]