331911260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{709}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 708523200

約数和(自身を除く): 376611940

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 263, 356, 445, 526, 709, 890, 1052, 1315, 1418, 1780, 2630, 2836, 3545, 5260, 7090, 14180, 23407, 46814, 63101, 93628, 117035, 126202, 186467, 234070, 252404, 315505, 372934, 468140, 631010, 745868, 932335, 1262020, 1864670, 3729340, 16595563, 33191126, 66382252, 82977815, 165955630, 331911260]

約数ペア:

[(1, 331911260), (2, 165955630), (4, 82977815), (5, 66382252), (10, 33191126), (20, 16595563), (89, 3729340), (178, 1864670), (263, 1262020), (356, 932335), (445, 745868), (526, 631010), (709, 468140), (890, 372934), (1052, 315505), (1315, 252404), (1418, 234070), (1780, 186467), (2630, 126202), (2836, 117035), (3545, 93628), (5260, 63101), (7090, 46814), (14180, 23407)]