211676440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 490613760

約数和(自身を除く): 278937320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 337, 383, 410, 674, 766, 820, 1348, 1532, 1640, 1685, 1915, 2696, 3064, 3370, 3830, 6740, 7660, 13480, 13817, 15320, 15703, 27634, 31406, 55268, 62812, 69085, 78515, 110536, 125624, 129071, 138170, 157030, 258142, 276340, 314060, 516284, 552680, 628120, 645355, 1032568, 1290710, 2581420, 5162840, 5291911, 10583822, 21167644, 26459555, 42335288, 52919110, 105838220, 211676440]

約数ペア:

[(1, 211676440), (2, 105838220), (4, 52919110), (5, 42335288), (8, 26459555), (10, 21167644), (20, 10583822), (40, 5291911), (41, 5162840), (82, 2581420), (164, 1290710), (205, 1032568), (328, 645355), (337, 628120), (383, 552680), (410, 516284), (674, 314060), (766, 276340), (820, 258142), (1348, 157030), (1532, 138170), (1640, 129071), (1685, 125624), (1915, 110536), (2696, 78515), (3064, 69085), (3370, 62812), (3830, 55268), (6740, 31406), (7660, 27634), (13480, 15703), (13817, 15320)]