231931180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{16831}}^1$

素因数の和:16906

約数の個数: 48

約数和(自身を含む): 534449664

約数和(自身を除く): 302518484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 16831, 33662, 67324, 84155, 168310, 218803, 336620, 437606, 875212, 892043, 1094015, 1784086, 2188030, 3568172, 4376060, 4460215, 8920430, 11596559, 17840860, 23193118, 46386236, 57982795, 115965590, 231931180]

約数ペア:

[(1, 231931180), (2, 115965590), (4, 57982795), (5, 46386236), (10, 23193118), (13, 17840860), (20, 11596559), (26, 8920430), (52, 4460215), (53, 4376060), (65, 3568172), (106, 2188030), (130, 1784086), (212, 1094015), (260, 892043), (265, 875212), (530, 437606), (689, 336620), (1060, 218803), (1378, 168310), (2756, 84155), (3445, 67324), (6890, 33662), (13780, 16831)]