89990210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2713}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 168832512

約数和(自身を除く): 78842302

約数列:

[1, 2, 5, 10, 31, 62, 107, 155, 214, 310, 535, 1070, 2713, 3317, 5426, 6634, 13565, 16585, 27130, 33170, 84103, 168206, 290291, 420515, 580582, 841030, 1451455, 2902910, 8999021, 17998042, 44995105, 89990210]

約数ペア:

[(1, 89990210), (2, 44995105), (5, 17998042), (10, 8999021), (31, 2902910), (62, 1451455), (107, 841030), (155, 580582), (214, 420515), (310, 290291), (535, 168206), (1070, 84103), (2713, 33170), (3317, 27130), (5426, 16585), (6634, 13565)]