2637740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 6435072

約数和(自身を除く): 3797332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 227, 332, 415, 454, 581, 830, 908, 1135, 1162, 1589, 1660, 2270, 2324, 2905, 3178, 4540, 5810, 6356, 7945, 11620, 15890, 18841, 31780, 37682, 75364, 94205, 131887, 188410, 263774, 376820, 527548, 659435, 1318870, 2637740]

約数ペア:

[(1, 2637740), (2, 1318870), (4, 659435), (5, 527548), (7, 376820), (10, 263774), (14, 188410), (20, 131887), (28, 94205), (35, 75364), (70, 37682), (83, 31780), (140, 18841), (166, 15890), (227, 11620), (332, 7945), (415, 6356), (454, 5810), (581, 4540), (830, 3178), (908, 2905), (1135, 2324), (1162, 2270), (1589, 1660)]