90117790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 194088960

約数和(自身を除く): 103971170

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 103, 145, 203, 206, 290, 406, 431, 515, 721, 862, 1015, 1030, 1442, 2030, 2155, 2987, 3017, 3605, 4310, 5974, 6034, 7210, 12499, 14935, 15085, 20909, 24998, 29870, 30170, 41818, 44393, 62495, 87493, 88786, 104545, 124990, 174986, 209090, 221965, 310751, 437465, 443930, 621502, 874930, 1287397, 1553755, 2574794, 3107510, 6436985, 9011779, 12873970, 18023558, 45058895, 90117790]

約数ペア:

[(1, 90117790), (2, 45058895), (5, 18023558), (7, 12873970), (10, 9011779), (14, 6436985), (29, 3107510), (35, 2574794), (58, 1553755), (70, 1287397), (103, 874930), (145, 621502), (203, 443930), (206, 437465), (290, 310751), (406, 221965), (431, 209090), (515, 174986), (721, 124990), (862, 104545), (1015, 88786), (1030, 87493), (1442, 62495), (2030, 44393), (2155, 41818), (2987, 30170), (3017, 29870), (3605, 24998), (4310, 20909), (5974, 15085), (6034, 14935), (7210, 12499)]