291086620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{57527}}^1$

素因数の和:57570

約数の個数: 48

約数和(自身を含む): 695858688

約数和(自身を除く): 404772068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 57527, 115054, 230108, 287635, 575270, 632797, 1150540, 1265594, 1323121, 2531188, 2646242, 3163985, 5292484, 6327970, 6615605, 12655940, 13231210, 14554331, 26462420, 29108662, 58217324, 72771655, 145543310, 291086620]

約数ペア:

[(1, 291086620), (2, 145543310), (4, 72771655), (5, 58217324), (10, 29108662), (11, 26462420), (20, 14554331), (22, 13231210), (23, 12655940), (44, 6615605), (46, 6327970), (55, 5292484), (92, 3163985), (110, 2646242), (115, 2531188), (220, 1323121), (230, 1265594), (253, 1150540), (460, 632797), (506, 575270), (1012, 287635), (1265, 230108), (2530, 115054), (5060, 57527)]