406529140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{4441}}^1$

素因数の和:4672

約数の個数: 48

約数和(自身を含む): 895507200

約数和(自身を除く): 488978060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 460, 796, 995, 1990, 3980, 4441, 4577, 8882, 9154, 17764, 18308, 22205, 22885, 44410, 45770, 88820, 91540, 102143, 204286, 408572, 510715, 883759, 1021430, 1767518, 2042860, 3535036, 4418795, 8837590, 17675180, 20326457, 40652914, 81305828, 101632285, 203264570, 406529140]

約数ペア:

[(1, 406529140), (2, 203264570), (4, 101632285), (5, 81305828), (10, 40652914), (20, 20326457), (23, 17675180), (46, 8837590), (92, 4418795), (115, 3535036), (199, 2042860), (230, 1767518), (398, 1021430), (460, 883759), (796, 510715), (995, 408572), (1990, 204286), (3980, 102143), (4441, 91540), (4577, 88820), (8882, 45770), (9154, 44410), (17764, 22885), (18308, 22205)]