28492240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 76745088

約数和(自身を除く): 48252848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 613, 664, 830, 1162, 1226, 1328, 1660, 2324, 2452, 2905, 3065, 3320, 4291, 4648, 4904, 5810, 6130, 6640, 8582, 9296, 9808, 11620, 12260, 17164, 21455, 23240, 24520, 34328, 42910, 46480, 49040, 50879, 68656, 85820, 101758, 171640, 203516, 254395, 343280, 356153, 407032, 508790, 712306, 814064, 1017580, 1424612, 1780765, 2035160, 2849224, 3561530, 4070320, 5698448, 7123060, 14246120, 28492240]

約数ペア:

[(1, 28492240), (2, 14246120), (4, 7123060), (5, 5698448), (7, 4070320), (8, 3561530), (10, 2849224), (14, 2035160), (16, 1780765), (20, 1424612), (28, 1017580), (35, 814064), (40, 712306), (56, 508790), (70, 407032), (80, 356153), (83, 343280), (112, 254395), (140, 203516), (166, 171640), (280, 101758), (332, 85820), (415, 68656), (560, 50879), (581, 49040), (613, 46480), (664, 42910), (830, 34328), (1162, 24520), (1226, 23240), (1328, 21455), (1660, 17164), (2324, 12260), (2452, 11620), (2905, 9808), (3065, 9296), (3320, 8582), (4291, 6640), (4648, 6130), (4904, 5810)]