1891960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 5054400

約数和(自身を除く): 3162440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 233, 280, 290, 406, 466, 580, 812, 932, 1015, 1160, 1165, 1624, 1631, 1864, 2030, 2330, 3262, 4060, 4660, 6524, 6757, 8120, 8155, 9320, 13048, 13514, 16310, 27028, 32620, 33785, 47299, 54056, 65240, 67570, 94598, 135140, 189196, 236495, 270280, 378392, 472990, 945980, 1891960]

約数ペア:

[(1, 1891960), (2, 945980), (4, 472990), (5, 378392), (7, 270280), (8, 236495), (10, 189196), (14, 135140), (20, 94598), (28, 67570), (29, 65240), (35, 54056), (40, 47299), (56, 33785), (58, 32620), (70, 27028), (116, 16310), (140, 13514), (145, 13048), (203, 9320), (232, 8155), (233, 8120), (280, 6757), (290, 6524), (406, 4660), (466, 4060), (580, 3262), (812, 2330), (932, 2030), (1015, 1864), (1160, 1631), (1165, 1624)]