1290960110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{40609}}^1$

素因数の和:40661

約数の個数: 48

約数和(自身を含む): 2692930320

約数和(自身を除く): 1401970210

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 289, 374, 578, 935, 1445, 1870, 2890, 3179, 6358, 15895, 31790, 40609, 81218, 203045, 406090, 446699, 690353, 893398, 1380706, 2233495, 3451765, 4466990, 6903530, 7593883, 11736001, 15187766, 23472002, 37969415, 58680005, 75938830, 117360010, 129096011, 258192022, 645480055, 1290960110]

約数ペア:

[(1, 1290960110), (2, 645480055), (5, 258192022), (10, 129096011), (11, 117360010), (17, 75938830), (22, 58680005), (34, 37969415), (55, 23472002), (85, 15187766), (110, 11736001), (170, 7593883), (187, 6903530), (289, 4466990), (374, 3451765), (578, 2233495), (935, 1380706), (1445, 893398), (1870, 690353), (2890, 446699), (3179, 406090), (6358, 203045), (15895, 81218), (31790, 40609)]