1389748910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3739}}^1$

素因数の和:3897

約数の個数: 64

約数和(自身を含む): 2843596800

約数和(自身を除く): 1453847890

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 109, 110, 155, 218, 310, 341, 545, 682, 1090, 1199, 1705, 2398, 3379, 3410, 3739, 5995, 6758, 7478, 11990, 16895, 18695, 33790, 37169, 37390, 41129, 74338, 82258, 115909, 185845, 205645, 231818, 371690, 407551, 411290, 579545, 815102, 1159090, 1274999, 2037755, 2549998, 4075510, 4483061, 6374995, 8966122, 12634081, 12749990, 22415305, 25268162, 44830610, 63170405, 126340810, 138974891, 277949782, 694874455, 1389748910]

約数ペア:

[(1, 1389748910), (2, 694874455), (5, 277949782), (10, 138974891), (11, 126340810), (22, 63170405), (31, 44830610), (55, 25268162), (62, 22415305), (109, 12749990), (110, 12634081), (155, 8966122), (218, 6374995), (310, 4483061), (341, 4075510), (545, 2549998), (682, 2037755), (1090, 1274999), (1199, 1159090), (1705, 815102), (2398, 579545), (3379, 411290), (3410, 407551), (3739, 371690), (5995, 231818), (6758, 205645), (7478, 185845), (11990, 115909), (16895, 82258), (18695, 74338), (33790, 41129), (37169, 37390)]