261282010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{8219}}^1$

素因数の和:8271

約数の個数: 48

約数和(自身を含む): 545084640

約数和(自身を除く): 283802630

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, 8219, 15895, 16438, 31790, 41095, 82190, 90409, 139723, 180818, 279446, 452045, 698615, 904090, 1397230, 1536953, 2375291, 3073906, 4750582, 7684765, 11876455, 15369530, 23752910, 26128201, 52256402, 130641005, 261282010]

約数ペア:

[(1, 261282010), (2, 130641005), (5, 52256402), (10, 26128201), (11, 23752910), (17, 15369530), (22, 11876455), (34, 7684765), (55, 4750582), (85, 3073906), (110, 2375291), (170, 1536953), (187, 1397230), (289, 904090), (374, 698615), (578, 452045), (935, 279446), (1445, 180818), (1870, 139723), (2890, 90409), (3179, 82190), (6358, 41095), (8219, 31790), (15895, 16438)]