90195710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 189423360

約数和(自身を除く): 99227650

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 139, 170, 187, 278, 347, 374, 694, 695, 935, 1390, 1529, 1735, 1870, 2363, 3058, 3470, 3817, 4726, 5899, 7634, 7645, 11798, 11815, 15290, 19085, 23630, 25993, 29495, 38170, 48233, 51986, 58990, 64889, 96466, 129778, 129965, 241165, 259930, 324445, 482330, 530563, 648890, 819961, 1061126, 1639922, 2652815, 4099805, 5305630, 8199610, 9019571, 18039142, 45097855, 90195710]

約数ペア:

[(1, 90195710), (2, 45097855), (5, 18039142), (10, 9019571), (11, 8199610), (17, 5305630), (22, 4099805), (34, 2652815), (55, 1639922), (85, 1061126), (110, 819961), (139, 648890), (170, 530563), (187, 482330), (278, 324445), (347, 259930), (374, 241165), (694, 129965), (695, 129778), (935, 96466), (1390, 64889), (1529, 58990), (1735, 51986), (1870, 48233), (2363, 38170), (3058, 29495), (3470, 25993), (3817, 23630), (4726, 19085), (5899, 15290), (7634, 11815), (7645, 11798)]