31692220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 78657264

約数和(自身を除く): 46965044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 443, 490, 511, 730, 886, 980, 1022, 1460, 1772, 2044, 2215, 2555, 3101, 3577, 4430, 5110, 6202, 7154, 8860, 10220, 12404, 14308, 15505, 17885, 21707, 31010, 32339, 35770, 43414, 62020, 64678, 71540, 86828, 108535, 129356, 161695, 217070, 226373, 323390, 434140, 452746, 646780, 905492, 1131865, 1584611, 2263730, 3169222, 4527460, 6338444, 7923055, 15846110, 31692220]

約数ペア:

[(1, 31692220), (2, 15846110), (4, 7923055), (5, 6338444), (7, 4527460), (10, 3169222), (14, 2263730), (20, 1584611), (28, 1131865), (35, 905492), (49, 646780), (70, 452746), (73, 434140), (98, 323390), (140, 226373), (146, 217070), (196, 161695), (245, 129356), (292, 108535), (365, 86828), (443, 71540), (490, 64678), (511, 62020), (730, 43414), (886, 35770), (980, 32339), (1022, 31010), (1460, 21707), (1772, 17885), (2044, 15505), (2215, 14308), (2555, 12404), (3101, 10220), (3577, 8860), (4430, 7154), (5110, 6202)]