90340780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{709}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 198959040

約数和(自身を除く): 108618260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 277, 460, 554, 709, 1108, 1385, 1418, 2770, 2836, 3545, 5540, 6371, 7090, 12742, 14180, 16307, 25484, 31855, 32614, 63710, 65228, 81535, 127420, 163070, 196393, 326140, 392786, 785572, 981965, 1963930, 3927860, 4517039, 9034078, 18068156, 22585195, 45170390, 90340780]

約数ペア:

[(1, 90340780), (2, 45170390), (4, 22585195), (5, 18068156), (10, 9034078), (20, 4517039), (23, 3927860), (46, 1963930), (92, 981965), (115, 785572), (230, 392786), (277, 326140), (460, 196393), (554, 163070), (709, 127420), (1108, 81535), (1385, 65228), (1418, 63710), (2770, 32614), (2836, 31855), (3545, 25484), (5540, 16307), (6371, 14180), (7090, 12742)]