83173640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9949}}^1$

素因数の和:9990

約数の個数: 64

約数和(自身を含む): 214920000

約数和(自身を除く): 131746360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 9949, 19898, 39796, 49745, 79592, 99490, 109439, 189031, 198980, 218878, 378062, 397960, 437756, 547195, 756124, 875512, 945155, 1094390, 1512248, 1890310, 2079341, 2188780, 3780620, 4158682, 4377560, 7561240, 8317364, 10396705, 16634728, 20793410, 41586820, 83173640]

約数ペア:

[(1, 83173640), (2, 41586820), (4, 20793410), (5, 16634728), (8, 10396705), (10, 8317364), (11, 7561240), (19, 4377560), (20, 4158682), (22, 3780620), (38, 2188780), (40, 2079341), (44, 1890310), (55, 1512248), (76, 1094390), (88, 945155), (95, 875512), (110, 756124), (152, 547195), (190, 437756), (209, 397960), (220, 378062), (380, 218878), (418, 198980), (440, 189031), (760, 109439), (836, 99490), (1045, 79592), (1672, 49745), (2090, 39796), (4180, 19898), (8360, 9949)]