5213740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 12644352

約数和(自身を除く): 7430612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 223, 334, 446, 668, 835, 892, 1115, 1169, 1561, 1670, 2230, 2338, 3122, 3340, 4460, 4676, 5845, 6244, 7805, 11690, 15610, 23380, 31220, 37241, 74482, 148964, 186205, 260687, 372410, 521374, 744820, 1042748, 1303435, 2606870, 5213740]

約数ペア:

[(1, 5213740), (2, 2606870), (4, 1303435), (5, 1042748), (7, 744820), (10, 521374), (14, 372410), (20, 260687), (28, 186205), (35, 148964), (70, 74482), (140, 37241), (167, 31220), (223, 23380), (334, 15610), (446, 11690), (668, 7805), (835, 6244), (892, 5845), (1115, 4676), (1169, 4460), (1561, 3340), (1670, 3122), (2230, 2338)]