788759980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1\times {\mathrm{1427}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 1716513120

約数和(自身を除く): 927753140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 953, 1427, 1906, 2854, 3812, 4765, 5708, 7135, 9530, 14270, 19060, 27637, 28540, 41383, 55274, 82766, 110548, 138185, 165532, 206915, 276370, 413830, 552740, 827660, 1359931, 2719862, 5439724, 6799655, 13599310, 27198620, 39437999, 78875998, 157751996, 197189995, 394379990, 788759980]

約数ペア:

[(1, 788759980), (2, 394379990), (4, 197189995), (5, 157751996), (10, 78875998), (20, 39437999), (29, 27198620), (58, 13599310), (116, 6799655), (145, 5439724), (290, 2719862), (580, 1359931), (953, 827660), (1427, 552740), (1906, 413830), (2854, 276370), (3812, 206915), (4765, 165532), (5708, 138185), (7135, 110548), (9530, 82766), (14270, 55274), (19060, 41383), (27637, 28540)]