287436710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{1709}}^1$

素因数の和:1877

約数の個数: 48

約数和(自身を含む): 573123600

約数和(自身を除く): 285686890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 139, 242, 278, 605, 695, 1210, 1390, 1529, 1709, 3058, 3418, 7645, 8545, 15290, 16819, 17090, 18799, 33638, 37598, 84095, 93995, 168190, 187990, 206789, 237551, 413578, 475102, 1033945, 1187755, 2067890, 2375510, 2613061, 5226122, 13065305, 26130610, 28743671, 57487342, 143718355, 287436710]

約数ペア:

[(1, 287436710), (2, 143718355), (5, 57487342), (10, 28743671), (11, 26130610), (22, 13065305), (55, 5226122), (110, 2613061), (121, 2375510), (139, 2067890), (242, 1187755), (278, 1033945), (605, 475102), (695, 413578), (1210, 237551), (1390, 206789), (1529, 187990), (1709, 168190), (3058, 93995), (3418, 84095), (7645, 37598), (8545, 33638), (15290, 18799), (16819, 17090)]