81971450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:848

約数の個数: 72

約数和(自身を含む): 177668316

約数和(自身を除く): 95696866

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 121, 170, 187, 242, 275, 374, 425, 550, 605, 797, 850, 935, 1210, 1594, 1870, 2057, 3025, 3985, 4114, 4675, 6050, 7970, 8767, 9350, 10285, 13549, 17534, 19925, 20570, 27098, 39850, 43835, 51425, 67745, 87670, 96437, 102850, 135490, 149039, 192874, 219175, 298078, 338725, 438350, 482185, 677450, 745195, 964370, 1490390, 1639429, 2410925, 3278858, 3725975, 4821850, 7451950, 8197145, 16394290, 40985725, 81971450]

約数ペア:

[(1, 81971450), (2, 40985725), (5, 16394290), (10, 8197145), (11, 7451950), (17, 4821850), (22, 3725975), (25, 3278858), (34, 2410925), (50, 1639429), (55, 1490390), (85, 964370), (110, 745195), (121, 677450), (170, 482185), (187, 438350), (242, 338725), (275, 298078), (374, 219175), (425, 192874), (550, 149039), (605, 135490), (797, 102850), (850, 96437), (935, 87670), (1210, 67745), (1594, 51425), (1870, 43835), (2057, 39850), (3025, 27098), (3985, 20570), (4114, 19925), (4675, 17534), (6050, 13549), (7970, 10285), (8767, 9350)]