939697940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{2689}}^1$

素因数の和:2972

約数の個数: 48

約数和(自身を含む): 2005169040

約数和(自身を除く): 1065471100

約数列:

[1, 2, 4, 5, 10, 20, 101, 173, 202, 346, 404, 505, 692, 865, 1010, 1730, 2020, 2689, 3460, 5378, 10756, 13445, 17473, 26890, 34946, 53780, 69892, 87365, 174730, 271589, 349460, 465197, 543178, 930394, 1086356, 1357945, 1860788, 2325985, 2715890, 4651970, 5431780, 9303940, 46984897, 93969794, 187939588, 234924485, 469848970, 939697940]

約数ペア:

[(1, 939697940), (2, 469848970), (4, 234924485), (5, 187939588), (10, 93969794), (20, 46984897), (101, 9303940), (173, 5431780), (202, 4651970), (346, 2715890), (404, 2325985), (505, 1860788), (692, 1357945), (865, 1086356), (1010, 930394), (1730, 543178), (2020, 465197), (2689, 349460), (3460, 271589), (5378, 174730), (10756, 87365), (13445, 69892), (17473, 53780), (26890, 34946)]