131979290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 262517760

約数和(自身を除く): 130538470

約数列:

[1, 2, 5, 10, 23, 29, 46, 47, 58, 94, 115, 145, 230, 235, 290, 421, 470, 667, 842, 1081, 1334, 1363, 2105, 2162, 2726, 3335, 4210, 5405, 6670, 6815, 9683, 10810, 12209, 13630, 19366, 19787, 24418, 31349, 39574, 48415, 61045, 62698, 96830, 98935, 122090, 156745, 197870, 280807, 313490, 455101, 561614, 573823, 910202, 1147646, 1404035, 2275505, 2808070, 2869115, 4551010, 5738230, 13197929, 26395858, 65989645, 131979290]

約数ペア:

[(1, 131979290), (2, 65989645), (5, 26395858), (10, 13197929), (23, 5738230), (29, 4551010), (46, 2869115), (47, 2808070), (58, 2275505), (94, 1404035), (115, 1147646), (145, 910202), (230, 573823), (235, 561614), (290, 455101), (421, 313490), (470, 280807), (667, 197870), (842, 156745), (1081, 122090), (1334, 98935), (1363, 96830), (2105, 62698), (2162, 61045), (2726, 48415), (3335, 39574), (4210, 31349), (5405, 24418), (6670, 19787), (6815, 19366), (9683, 13630), (10810, 12209)]