133894640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2238

約数の個数: 80

約数和(自身を含む): 344549376

約数和(自身を除く): 210654736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 2143, 2840, 3124, 3905, 4286, 5680, 6248, 7810, 8572, 10715, 12496, 15620, 17144, 21430, 23573, 31240, 34288, 42860, 47146, 62480, 85720, 94292, 117865, 152153, 171440, 188584, 235730, 304306, 377168, 471460, 608612, 760765, 942920, 1217224, 1521530, 1673683, 1885840, 2434448, 3043060, 3347366, 6086120, 6694732, 8368415, 12172240, 13389464, 16736830, 26778928, 33473660, 66947320, 133894640]

約数ペア:

[(1, 133894640), (2, 66947320), (4, 33473660), (5, 26778928), (8, 16736830), (10, 13389464), (11, 12172240), (16, 8368415), (20, 6694732), (22, 6086120), (40, 3347366), (44, 3043060), (55, 2434448), (71, 1885840), (80, 1673683), (88, 1521530), (110, 1217224), (142, 942920), (176, 760765), (220, 608612), (284, 471460), (355, 377168), (440, 304306), (568, 235730), (710, 188584), (781, 171440), (880, 152153), (1136, 117865), (1420, 94292), (1562, 85720), (2143, 62480), (2840, 47146), (3124, 42860), (3905, 34288), (4286, 31240), (5680, 23573), (6248, 21430), (7810, 17144), (8572, 15620), (10715, 12496)]