388623640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1151}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 915701760

約数和(自身を除く): 527078120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 367, 460, 734, 920, 1151, 1468, 1835, 2302, 2936, 3670, 4604, 5755, 7340, 8441, 9208, 11510, 14680, 16882, 23020, 26473, 33764, 42205, 46040, 52946, 67528, 84410, 105892, 132365, 168820, 211784, 264730, 337640, 422417, 529460, 844834, 1058920, 1689668, 2112085, 3379336, 4224170, 8448340, 9715591, 16896680, 19431182, 38862364, 48577955, 77724728, 97155910, 194311820, 388623640]

約数ペア:

[(1, 388623640), (2, 194311820), (4, 97155910), (5, 77724728), (8, 48577955), (10, 38862364), (20, 19431182), (23, 16896680), (40, 9715591), (46, 8448340), (92, 4224170), (115, 3379336), (184, 2112085), (230, 1689668), (367, 1058920), (460, 844834), (734, 529460), (920, 422417), (1151, 337640), (1468, 264730), (1835, 211784), (2302, 168820), (2936, 132365), (3670, 105892), (4604, 84410), (5755, 67528), (7340, 52946), (8441, 46040), (9208, 42205), (11510, 33764), (14680, 26473), (16882, 23020)]