31543300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 72261000

約数和(自身を除く): 40717700

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 73, 100, 116, 145, 146, 149, 290, 292, 298, 365, 580, 596, 725, 730, 745, 1450, 1460, 1490, 1825, 2117, 2900, 2980, 3650, 3725, 4234, 4321, 7300, 7450, 8468, 8642, 10585, 10877, 14900, 17284, 21170, 21605, 21754, 42340, 43210, 43508, 52925, 54385, 86420, 105850, 108025, 108770, 211700, 216050, 217540, 271925, 315433, 432100, 543850, 630866, 1087700, 1261732, 1577165, 3154330, 6308660, 7885825, 15771650, 31543300]

約数ペア:

[(1, 31543300), (2, 15771650), (4, 7885825), (5, 6308660), (10, 3154330), (20, 1577165), (25, 1261732), (29, 1087700), (50, 630866), (58, 543850), (73, 432100), (100, 315433), (116, 271925), (145, 217540), (146, 216050), (149, 211700), (290, 108770), (292, 108025), (298, 105850), (365, 86420), (580, 54385), (596, 52925), (725, 43508), (730, 43210), (745, 42340), (1450, 21754), (1460, 21605), (1490, 21170), (1825, 17284), (2117, 14900), (2900, 10877), (2980, 10585), (3650, 8642), (3725, 8468), (4234, 7450), (4321, 7300)]