388235940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{208729}}^1$

素因数の和:208772

約数の個数: 48

約数和(自身を含む): 1122132480

約数和(自身を除く): 733896540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 208729, 417458, 626187, 834916, 1043645, 1252374, 2087290, 2504748, 3130935, 4174580, 6261870, 6470599, 12523740, 12941198, 19411797, 25882396, 32352995, 38823594, 64705990, 77647188, 97058985, 129411980, 194117970, 388235940]

約数ペア:

[(1, 388235940), (2, 194117970), (3, 129411980), (4, 97058985), (5, 77647188), (6, 64705990), (10, 38823594), (12, 32352995), (15, 25882396), (20, 19411797), (30, 12941198), (31, 12523740), (60, 6470599), (62, 6261870), (93, 4174580), (124, 3130935), (155, 2504748), (186, 2087290), (310, 1252374), (372, 1043645), (465, 834916), (620, 626187), (930, 417458), (1860, 208729)]