28193140

素因数分解:

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

素因数の和:948

約数の個数: 48

約数和(自身を含む): 63386064

約数和(自身を除く): 35192924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 821, 1010, 1642, 1717, 2020, 3284, 3434, 4105, 6868, 8210, 8585, 13957, 16420, 17170, 27914, 34340, 55828, 69785, 82921, 139570, 165842, 279140, 331684, 414605, 829210, 1409657, 1658420, 2819314, 5638628, 7048285, 14096570, 28193140]

約数ペア:

[(1, 28193140), (2, 14096570), (4, 7048285), (5, 5638628), (10, 2819314), (17, 1658420), (20, 1409657), (34, 829210), (68, 414605), (85, 331684), (101, 279140), (170, 165842), (202, 139570), (340, 82921), (404, 69785), (505, 55828), (821, 34340), (1010, 27914), (1642, 17170), (1717, 16420), (2020, 13957), (3284, 8585), (3434, 8210), (4105, 6868)]