31112620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 82736640

約数和(自身を除く): 51624020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 220, 227, 308, 356, 385, 445, 454, 623, 770, 890, 908, 979, 1135, 1246, 1540, 1589, 1780, 1958, 2270, 2492, 2497, 3115, 3178, 3916, 4540, 4895, 4994, 6230, 6356, 6853, 7945, 9790, 9988, 12460, 12485, 13706, 15890, 17479, 19580, 20203, 24970, 27412, 31780, 34265, 34958, 40406, 49940, 68530, 69916, 80812, 87395, 101015, 137060, 141421, 174790, 202030, 222233, 282842, 349580, 404060, 444466, 565684, 707105, 888932, 1111165, 1414210, 1555631, 2222330, 2828420, 3111262, 4444660, 6222524, 7778155, 15556310, 31112620]

約数ペア:

[(1, 31112620), (2, 15556310), (4, 7778155), (5, 6222524), (7, 4444660), (10, 3111262), (11, 2828420), (14, 2222330), (20, 1555631), (22, 1414210), (28, 1111165), (35, 888932), (44, 707105), (55, 565684), (70, 444466), (77, 404060), (89, 349580), (110, 282842), (140, 222233), (154, 202030), (178, 174790), (220, 141421), (227, 137060), (308, 101015), (356, 87395), (385, 80812), (445, 69916), (454, 68530), (623, 49940), (770, 40406), (890, 34958), (908, 34265), (979, 31780), (1135, 27412), (1246, 24970), (1540, 20203), (1589, 19580), (1780, 17479), (1958, 15890), (2270, 13706), (2492, 12485), (2497, 12460), (3115, 9988), (3178, 9790), (3916, 7945), (4540, 6853), (4895, 6356), (4994, 6230)]