281931400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:955

約数の個数: 96

約数和(自身を含む): 701774280

約数和(自身を除く): 419842880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 101, 136, 170, 200, 202, 340, 404, 425, 505, 680, 808, 821, 850, 1010, 1642, 1700, 1717, 2020, 2525, 3284, 3400, 3434, 4040, 4105, 5050, 6568, 6868, 8210, 8585, 10100, 13736, 13957, 16420, 17170, 20200, 20525, 27914, 32840, 34340, 41050, 42925, 55828, 68680, 69785, 82100, 82921, 85850, 111656, 139570, 164200, 165842, 171700, 279140, 331684, 343400, 348925, 414605, 558280, 663368, 697850, 829210, 1395700, 1409657, 1658420, 2073025, 2791400, 2819314, 3316840, 4146050, 5638628, 7048285, 8292100, 11277256, 14096570, 16584200, 28193140, 35241425, 56386280, 70482850, 140965700, 281931400]

約数ペア:

[(1, 281931400), (2, 140965700), (4, 70482850), (5, 56386280), (8, 35241425), (10, 28193140), (17, 16584200), (20, 14096570), (25, 11277256), (34, 8292100), (40, 7048285), (50, 5638628), (68, 4146050), (85, 3316840), (100, 2819314), (101, 2791400), (136, 2073025), (170, 1658420), (200, 1409657), (202, 1395700), (340, 829210), (404, 697850), (425, 663368), (505, 558280), (680, 414605), (808, 348925), (821, 343400), (850, 331684), (1010, 279140), (1642, 171700), (1700, 165842), (1717, 164200), (2020, 139570), (2525, 111656), (3284, 85850), (3400, 82921), (3434, 82100), (4040, 69785), (4105, 68680), (5050, 55828), (6568, 42925), (6868, 41050), (8210, 34340), (8585, 32840), (10100, 27914), (13736, 20525), (13957, 20200), (16420, 17170)]