138298910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:1001

約数の個数: 64

約数和(自身を含む): 283668480

約数和(自身を除く): 145369570

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 47, 85, 94, 95, 170, 190, 235, 323, 470, 646, 799, 893, 911, 1598, 1615, 1786, 1822, 3230, 3995, 4465, 4555, 7990, 8930, 9110, 15181, 15487, 17309, 30362, 30974, 34618, 42817, 75905, 77435, 85634, 86545, 151810, 154870, 173090, 214085, 294253, 428170, 588506, 727889, 813523, 1455778, 1471265, 1627046, 2942530, 3639445, 4067615, 7278890, 8135230, 13829891, 27659782, 69149455, 138298910]

約数ペア:

[(1, 138298910), (2, 69149455), (5, 27659782), (10, 13829891), (17, 8135230), (19, 7278890), (34, 4067615), (38, 3639445), (47, 2942530), (85, 1627046), (94, 1471265), (95, 1455778), (170, 813523), (190, 727889), (235, 588506), (323, 428170), (470, 294253), (646, 214085), (799, 173090), (893, 154870), (911, 151810), (1598, 86545), (1615, 85634), (1786, 77435), (1822, 75905), (3230, 42817), (3995, 34618), (4465, 30974), (4555, 30362), (7990, 17309), (8930, 15487), (9110, 15181)]