764604820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{2879}}^1$

素因数の和:3173

約数の個数: 72

約数和(自身を含む): 1875363840

約数和(自身を除く): 1110759020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 271, 490, 542, 980, 1084, 1355, 1897, 2710, 2879, 3794, 5420, 5758, 7588, 9485, 11516, 13279, 14395, 18970, 20153, 26558, 28790, 37940, 40306, 53116, 57580, 66395, 80612, 100765, 132790, 141071, 201530, 265580, 282142, 403060, 564284, 705355, 780209, 1410710, 1560418, 2821420, 3120836, 3901045, 5461463, 7802090, 10922926, 15604180, 21845852, 27307315, 38230241, 54614630, 76460482, 109229260, 152920964, 191151205, 382302410, 764604820]

約数ペア:

[(1, 764604820), (2, 382302410), (4, 191151205), (5, 152920964), (7, 109229260), (10, 76460482), (14, 54614630), (20, 38230241), (28, 27307315), (35, 21845852), (49, 15604180), (70, 10922926), (98, 7802090), (140, 5461463), (196, 3901045), (245, 3120836), (271, 2821420), (490, 1560418), (542, 1410710), (980, 780209), (1084, 705355), (1355, 564284), (1897, 403060), (2710, 282142), (2879, 265580), (3794, 201530), (5420, 141071), (5758, 132790), (7588, 100765), (9485, 80612), (11516, 66395), (13279, 57580), (14395, 53116), (18970, 40306), (20153, 37940), (26558, 28790)]