89521990

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 163749600

約数和(自身を除く): 74227610

約数列:

[1, 2, 5, 10, 113, 226, 227, 349, 454, 565, 698, 1130, 1135, 1745, 2270, 3490, 25651, 39437, 51302, 78874, 79223, 128255, 158446, 197185, 256510, 394370, 396115, 792230, 8952199, 17904398, 44760995, 89521990]

約数ペア:

[(1, 89521990), (2, 44760995), (5, 17904398), (10, 8952199), (113, 792230), (226, 396115), (227, 394370), (349, 256510), (454, 197185), (565, 158446), (698, 128255), (1130, 79223), (1135, 78874), (1745, 51302), (2270, 39437), (3490, 25651)]