85174940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 182824992

約数和(自身を除く): 97650052

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 227, 257, 292, 365, 454, 514, 730, 908, 1028, 1135, 1285, 1460, 2270, 2570, 4540, 5140, 16571, 18761, 33142, 37522, 58339, 66284, 75044, 82855, 93805, 116678, 165710, 187610, 233356, 291695, 331420, 375220, 583390, 1166780, 4258747, 8517494, 17034988, 21293735, 42587470, 85174940]

約数ペア:

[(1, 85174940), (2, 42587470), (4, 21293735), (5, 17034988), (10, 8517494), (20, 4258747), (73, 1166780), (146, 583390), (227, 375220), (257, 331420), (292, 291695), (365, 233356), (454, 187610), (514, 165710), (730, 116678), (908, 93805), (1028, 82855), (1135, 75044), (1285, 66284), (1460, 58339), (2270, 37522), (2570, 33142), (4540, 18761), (5140, 16571)]