290425268

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2213}}^1$

素因数の和:2376

約数の個数: 48

約数和(自身を含む): 600082560

約数和(自身を除く): 309657292

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 109, 172, 218, 301, 436, 602, 763, 1204, 1526, 2213, 3052, 4426, 4687, 8852, 9374, 15491, 18748, 30982, 32809, 61964, 65618, 95159, 131236, 190318, 241217, 380636, 482434, 666113, 964868, 1332226, 1688519, 2664452, 3377038, 6754076, 10372331, 20744662, 41489324, 72606317, 145212634, 290425268]

約数ペア:

[(1, 290425268), (2, 145212634), (4, 72606317), (7, 41489324), (14, 20744662), (28, 10372331), (43, 6754076), (86, 3377038), (109, 2664452), (172, 1688519), (218, 1332226), (301, 964868), (436, 666113), (602, 482434), (763, 380636), (1204, 241217), (1526, 190318), (2213, 131236), (3052, 95159), (4426, 65618), (4687, 61964), (8852, 32809), (9374, 30982), (15491, 18748)]