72247540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 154893312

約数和(自身を除く): 82645772

約数列:

[1, 2, 4, 5, 10, 20, 97, 167, 194, 223, 334, 388, 446, 485, 668, 835, 892, 970, 1115, 1670, 1940, 2230, 3340, 4460, 16199, 21631, 32398, 37241, 43262, 64796, 74482, 80995, 86524, 108155, 148964, 161990, 186205, 216310, 323980, 372410, 432620, 744820, 3612377, 7224754, 14449508, 18061885, 36123770, 72247540]

約数ペア:

[(1, 72247540), (2, 36123770), (4, 18061885), (5, 14449508), (10, 7224754), (20, 3612377), (97, 744820), (167, 432620), (194, 372410), (223, 323980), (334, 216310), (388, 186205), (446, 161990), (485, 148964), (668, 108155), (835, 86524), (892, 80995), (970, 74482), (1115, 64796), (1670, 43262), (1940, 37241), (2230, 32398), (3340, 21631), (4460, 16199)]