201187480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{919}}^1$

素因数の和:1364

約数の個数: 64

約数和(自身を含む): 489182400

約数和(自身を除く): 287994920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 421, 520, 842, 919, 1684, 1838, 2105, 3368, 3676, 4210, 4595, 5473, 7352, 8420, 9190, 10946, 11947, 16840, 18380, 21892, 23894, 27365, 36760, 43784, 47788, 54730, 59735, 95576, 109460, 119470, 218920, 238940, 386899, 477880, 773798, 1547596, 1934495, 3095192, 3868990, 5029687, 7737980, 10059374, 15475960, 20118748, 25148435, 40237496, 50296870, 100593740, 201187480]

約数ペア:

[(1, 201187480), (2, 100593740), (4, 50296870), (5, 40237496), (8, 25148435), (10, 20118748), (13, 15475960), (20, 10059374), (26, 7737980), (40, 5029687), (52, 3868990), (65, 3095192), (104, 1934495), (130, 1547596), (260, 773798), (421, 477880), (520, 386899), (842, 238940), (919, 218920), (1684, 119470), (1838, 109460), (2105, 95576), (3368, 59735), (3676, 54730), (4210, 47788), (4595, 43784), (5473, 36760), (7352, 27365), (8420, 23894), (9190, 21892), (10946, 18380), (11947, 16840)]