220131390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{319031}}^1$

素因数の和:319064

約数の個数: 32

約数和(自身を含む): 551287296

約数和(自身を除く): 331155906

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 319031, 638062, 957093, 1595155, 1914186, 3190310, 4785465, 7337713, 9570930, 14675426, 22013139, 36688565, 44026278, 73377130, 110065695, 220131390]

約数ペア:

[(1, 220131390), (2, 110065695), (3, 73377130), (5, 44026278), (6, 36688565), (10, 22013139), (15, 14675426), (23, 9570930), (30, 7337713), (46, 4785465), (69, 3190310), (115, 1914186), (138, 1595155), (230, 957093), (345, 638062), (690, 319031)]