216749830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3739}}^1$

素因数の和:3805

約数の個数: 64

約数和(自身を含む): 465315840

約数和(自身を除く): 248566010

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 55, 62, 85, 110, 155, 170, 187, 310, 341, 374, 527, 682, 935, 1054, 1705, 1870, 2635, 3410, 3739, 5270, 5797, 7478, 11594, 18695, 28985, 37390, 41129, 57970, 63563, 82258, 115909, 127126, 205645, 231818, 317815, 411290, 579545, 635630, 699193, 1159090, 1274999, 1398386, 1970453, 2549998, 3495965, 3940906, 6374995, 6991930, 9852265, 12749990, 19704530, 21674983, 43349966, 108374915, 216749830]

約数ペア:

[(1, 216749830), (2, 108374915), (5, 43349966), (10, 21674983), (11, 19704530), (17, 12749990), (22, 9852265), (31, 6991930), (34, 6374995), (55, 3940906), (62, 3495965), (85, 2549998), (110, 1970453), (155, 1398386), (170, 1274999), (187, 1159090), (310, 699193), (341, 635630), (374, 579545), (527, 411290), (682, 317815), (935, 231818), (1054, 205645), (1705, 127126), (1870, 115909), (2635, 82258), (3410, 63563), (3739, 57970), (5270, 41129), (5797, 37390), (7478, 28985), (11594, 18695)]