90909210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{61843}}^1$

素因数の和:61867

約数の個数: 48

約数和(自身を含む): 253807776

約数和(自身を除く): 162898566

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 61843, 123686, 185529, 309215, 371058, 432901, 618430, 865802, 927645, 1298703, 1855290, 2164505, 2597406, 3030307, 4329010, 6060614, 6493515, 9090921, 12987030, 15151535, 18181842, 30303070, 45454605, 90909210]

約数ペア:

[(1, 90909210), (2, 45454605), (3, 30303070), (5, 18181842), (6, 15151535), (7, 12987030), (10, 9090921), (14, 6493515), (15, 6060614), (21, 4329010), (30, 3030307), (35, 2597406), (42, 2164505), (49, 1855290), (70, 1298703), (98, 927645), (105, 865802), (147, 618430), (210, 432901), (245, 371058), (294, 309215), (490, 185529), (735, 123686), (1470, 61843)]