199702910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 417804480

約数和(自身を除く): 218101570

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 269, 374, 397, 538, 794, 935, 1345, 1870, 1985, 2690, 2959, 3970, 4367, 4573, 5918, 6749, 8734, 9146, 13498, 14795, 21835, 22865, 29590, 33745, 43670, 45730, 50303, 67490, 74239, 100606, 106793, 148478, 213586, 251515, 371195, 503030, 533965, 742390, 1067930, 1174723, 1815481, 2349446, 3630962, 5873615, 9077405, 11747230, 18154810, 19970291, 39940582, 99851455, 199702910]

約数ペア:

[(1, 199702910), (2, 99851455), (5, 39940582), (10, 19970291), (11, 18154810), (17, 11747230), (22, 9077405), (34, 5873615), (55, 3630962), (85, 2349446), (110, 1815481), (170, 1174723), (187, 1067930), (269, 742390), (374, 533965), (397, 503030), (538, 371195), (794, 251515), (935, 213586), (1345, 148478), (1870, 106793), (1985, 100606), (2690, 74239), (2959, 67490), (3970, 50303), (4367, 45730), (4573, 43670), (5918, 33745), (6749, 29590), (8734, 22865), (9146, 21835), (13498, 14795)]