289142800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:557

約数の個数: 120

約数和(自身を含む): 744575112

約数和(自身を除く): 455432312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 101, 136, 170, 200, 202, 272, 340, 400, 404, 421, 425, 505, 680, 808, 842, 850, 1010, 1360, 1616, 1684, 1700, 1717, 2020, 2105, 2525, 3368, 3400, 3434, 4040, 4210, 5050, 6736, 6800, 6868, 7157, 8080, 8420, 8585, 10100, 10525, 13736, 14314, 16840, 17170, 20200, 21050, 27472, 28628, 33680, 34340, 35785, 40400, 42100, 42521, 42925, 57256, 68680, 71570, 84200, 85042, 85850, 114512, 137360, 143140, 168400, 170084, 171700, 178925, 212605, 286280, 340168, 343400, 357850, 425210, 572560, 680336, 686800, 715700, 722857, 850420, 1063025, 1431400, 1445714, 1700840, 2126050, 2862800, 2891428, 3401680, 3614285, 4252100, 5782856, 7228570, 8504200, 11565712, 14457140, 17008400, 18071425, 28914280, 36142850, 57828560, 72285700, 144571400, 289142800]

約数ペア:

[(1, 289142800), (2, 144571400), (4, 72285700), (5, 57828560), (8, 36142850), (10, 28914280), (16, 18071425), (17, 17008400), (20, 14457140), (25, 11565712), (34, 8504200), (40, 7228570), (50, 5782856), (68, 4252100), (80, 3614285), (85, 3401680), (100, 2891428), (101, 2862800), (136, 2126050), (170, 1700840), (200, 1445714), (202, 1431400), (272, 1063025), (340, 850420), (400, 722857), (404, 715700), (421, 686800), (425, 680336), (505, 572560), (680, 425210), (808, 357850), (842, 343400), (850, 340168), (1010, 286280), (1360, 212605), (1616, 178925), (1684, 171700), (1700, 170084), (1717, 168400), (2020, 143140), (2105, 137360), (2525, 114512), (3368, 85850), (3400, 85042), (3434, 84200), (4040, 71570), (4210, 68680), (5050, 57256), (6736, 42925), (6800, 42521), (6868, 42100), (7157, 40400), (8080, 35785), (8420, 34340), (8585, 33680), (10100, 28628), (10525, 27472), (13736, 21050), (14314, 20200), (16840, 17170)]