202109090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 399748608

約数和(自身を除く): 197639518

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 107, 170, 205, 214, 271, 410, 535, 542, 697, 1070, 1355, 1394, 1819, 2710, 3485, 3638, 4387, 4607, 6970, 8774, 9095, 9214, 11111, 18190, 21935, 22222, 23035, 28997, 43870, 46070, 55555, 57994, 74579, 111110, 144985, 149158, 188887, 289970, 372895, 377774, 492949, 745790, 944435, 985898, 1188877, 1888870, 2377754, 2464745, 4929490, 5944385, 11888770, 20210909, 40421818, 101054545, 202109090]

約数ペア:

[(1, 202109090), (2, 101054545), (5, 40421818), (10, 20210909), (17, 11888770), (34, 5944385), (41, 4929490), (82, 2464745), (85, 2377754), (107, 1888870), (170, 1188877), (205, 985898), (214, 944435), (271, 745790), (410, 492949), (535, 377774), (542, 372895), (697, 289970), (1070, 188887), (1355, 149158), (1394, 144985), (1819, 111110), (2710, 74579), (3485, 57994), (3638, 55555), (4387, 46070), (4607, 43870), (6970, 28997), (8774, 23035), (9095, 22222), (9214, 21935), (11111, 18190)]