2199978860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{3947}}^1$

素因数の和:4047

約数の個数: 72

約数和(自身を含む): 4939658640

約数和(自身を除く): 2739679780

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 961, 1798, 1922, 3596, 3844, 3947, 4495, 4805, 7894, 8990, 9610, 15788, 17980, 19220, 19735, 27869, 39470, 55738, 78940, 111476, 114463, 122357, 139345, 228926, 244714, 278690, 457852, 489428, 557380, 572315, 611785, 1144630, 1223570, 2289260, 2447140, 3548353, 3793067, 7096706, 7586134, 14193412, 15172268, 17741765, 18965335, 35483530, 37930670, 70967060, 75861340, 109998943, 219997886, 439995772, 549994715, 1099989430, 2199978860]

約数ペア:

[(1, 2199978860), (2, 1099989430), (4, 549994715), (5, 439995772), (10, 219997886), (20, 109998943), (29, 75861340), (31, 70967060), (58, 37930670), (62, 35483530), (116, 18965335), (124, 17741765), (145, 15172268), (155, 14193412), (290, 7586134), (310, 7096706), (580, 3793067), (620, 3548353), (899, 2447140), (961, 2289260), (1798, 1223570), (1922, 1144630), (3596, 611785), (3844, 572315), (3947, 557380), (4495, 489428), (4805, 457852), (7894, 278690), (8990, 244714), (9610, 228926), (15788, 139345), (17980, 122357), (19220, 114463), (19735, 111476), (27869, 78940), (39470, 55738)]