28298710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 60575040

約数和(自身を除く): 32276330

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 37, 55, 74, 85, 110, 170, 185, 187, 370, 374, 407, 409, 629, 814, 818, 935, 1258, 1870, 2035, 2045, 3145, 4070, 4090, 4499, 6290, 6919, 6953, 8998, 13838, 13906, 15133, 22495, 30266, 34595, 34765, 44990, 69190, 69530, 75665, 76483, 151330, 152966, 166463, 257261, 332926, 382415, 514522, 764830, 832315, 1286305, 1664630, 2572610, 2829871, 5659742, 14149355, 28298710]

約数ペア:

[(1, 28298710), (2, 14149355), (5, 5659742), (10, 2829871), (11, 2572610), (17, 1664630), (22, 1286305), (34, 832315), (37, 764830), (55, 514522), (74, 382415), (85, 332926), (110, 257261), (170, 166463), (185, 152966), (187, 151330), (370, 76483), (374, 75665), (407, 69530), (409, 69190), (629, 44990), (814, 34765), (818, 34595), (935, 30266), (1258, 22495), (1870, 15133), (2035, 13906), (2045, 13838), (3145, 8998), (4070, 6953), (4090, 6919), (4499, 6290)]