31799530

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 68198400

約数和(自身を除く): 36398870

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 127, 146, 245, 254, 343, 365, 490, 511, 635, 686, 730, 889, 1022, 1270, 1715, 1778, 2555, 3430, 3577, 4445, 5110, 6223, 7154, 8890, 9271, 12446, 17885, 18542, 25039, 31115, 35770, 43561, 46355, 50078, 62230, 64897, 87122, 92710, 125195, 129794, 217805, 250390, 324485, 435610, 454279, 648970, 908558, 2271395, 3179953, 4542790, 6359906, 15899765, 31799530]

約数ペア:

[(1, 31799530), (2, 15899765), (5, 6359906), (7, 4542790), (10, 3179953), (14, 2271395), (35, 908558), (49, 648970), (70, 454279), (73, 435610), (98, 324485), (127, 250390), (146, 217805), (245, 129794), (254, 125195), (343, 92710), (365, 87122), (490, 64897), (511, 62230), (635, 50078), (686, 46355), (730, 43561), (889, 35770), (1022, 31115), (1270, 25039), (1715, 18542), (1778, 17885), (2555, 12446), (3430, 9271), (3577, 8890), (4445, 7154), (5110, 6223)]