31690540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5521}}^1$

素因数の和:5578

約数の個数: 48

約数和(自身を含む): 77926464

約数和(自身を除く): 46235924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5521, 5740, 11042, 22084, 27605, 38647, 55210, 77294, 110420, 154588, 193235, 226361, 386470, 452722, 772940, 905444, 1131805, 1584527, 2263610, 3169054, 4527220, 6338108, 7922635, 15845270, 31690540]

約数ペア:

[(1, 31690540), (2, 15845270), (4, 7922635), (5, 6338108), (7, 4527220), (10, 3169054), (14, 2263610), (20, 1584527), (28, 1131805), (35, 905444), (41, 772940), (70, 452722), (82, 386470), (140, 226361), (164, 193235), (205, 154588), (287, 110420), (410, 77294), (574, 55210), (820, 38647), (1148, 27605), (1435, 22084), (2870, 11042), (5521, 5740)]