72285700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 168129864

約数和(自身を除く): 95844164

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 101, 170, 202, 340, 404, 421, 425, 505, 842, 850, 1010, 1684, 1700, 1717, 2020, 2105, 2525, 3434, 4210, 5050, 6868, 7157, 8420, 8585, 10100, 10525, 14314, 17170, 21050, 28628, 34340, 35785, 42100, 42521, 42925, 71570, 85042, 85850, 143140, 170084, 171700, 178925, 212605, 357850, 425210, 715700, 722857, 850420, 1063025, 1445714, 2126050, 2891428, 3614285, 4252100, 7228570, 14457140, 18071425, 36142850, 72285700]

約数ペア:

[(1, 72285700), (2, 36142850), (4, 18071425), (5, 14457140), (10, 7228570), (17, 4252100), (20, 3614285), (25, 2891428), (34, 2126050), (50, 1445714), (68, 1063025), (85, 850420), (100, 722857), (101, 715700), (170, 425210), (202, 357850), (340, 212605), (404, 178925), (421, 171700), (425, 170084), (505, 143140), (842, 85850), (850, 85042), (1010, 71570), (1684, 42925), (1700, 42521), (1717, 42100), (2020, 35785), (2105, 34340), (2525, 28628), (3434, 21050), (4210, 17170), (5050, 14314), (6868, 10525), (7157, 10100), (8420, 8585)]