40891970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4909}}^1$

素因数の和:4947

約数の個数: 48

約数和(自身を含む): 90677880

約数和(自身を除く): 49785910

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 4165, 4909, 8330, 9818, 24545, 34363, 49090, 68726, 83453, 166906, 171815, 240541, 343630, 417265, 481082, 584171, 834530, 1168342, 1202705, 2405410, 2920855, 4089197, 5841710, 8178394, 20445985, 40891970]

約数ペア:

[(1, 40891970), (2, 20445985), (5, 8178394), (7, 5841710), (10, 4089197), (14, 2920855), (17, 2405410), (34, 1202705), (35, 1168342), (49, 834530), (70, 584171), (85, 481082), (98, 417265), (119, 343630), (170, 240541), (238, 171815), (245, 166906), (490, 83453), (595, 68726), (833, 49090), (1190, 34363), (1666, 24545), (4165, 9818), (4909, 8330)]