252950140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 570946320

約数和(自身を除く): 317996180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 289, 340, 409, 428, 535, 578, 818, 1070, 1156, 1445, 1636, 1819, 2045, 2140, 2890, 3638, 4090, 5780, 6953, 7276, 8180, 9095, 13906, 18190, 27812, 30923, 34765, 36380, 43763, 61846, 69530, 87526, 118201, 123692, 139060, 154615, 175052, 218815, 236402, 309230, 437630, 472804, 591005, 618460, 743971, 875260, 1182010, 1487942, 2364020, 2975884, 3719855, 7439710, 12647507, 14879420, 25295014, 50590028, 63237535, 126475070, 252950140]

約数ペア:

[(1, 252950140), (2, 126475070), (4, 63237535), (5, 50590028), (10, 25295014), (17, 14879420), (20, 12647507), (34, 7439710), (68, 3719855), (85, 2975884), (107, 2364020), (170, 1487942), (214, 1182010), (289, 875260), (340, 743971), (409, 618460), (428, 591005), (535, 472804), (578, 437630), (818, 309230), (1070, 236402), (1156, 218815), (1445, 175052), (1636, 154615), (1819, 139060), (2045, 123692), (2140, 118201), (2890, 87526), (3638, 69530), (4090, 61846), (5780, 43763), (6953, 36380), (7276, 34765), (8180, 30923), (9095, 27812), (13906, 18190)]