827143940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{256877}}^1$

素因数の和:256916

約数の個数: 48

約数和(自身を含む): 2071464192

約数和(自身を除く): 1244320252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 256877, 513754, 1027508, 1284385, 1798139, 2568770, 3596278, 5137540, 5908171, 7192556, 8990695, 11816342, 17981390, 23632684, 29540855, 35962780, 41357197, 59081710, 82714394, 118163420, 165428788, 206785985, 413571970, 827143940]

約数ペア:

[(1, 827143940), (2, 413571970), (4, 206785985), (5, 165428788), (7, 118163420), (10, 82714394), (14, 59081710), (20, 41357197), (23, 35962780), (28, 29540855), (35, 23632684), (46, 17981390), (70, 11816342), (92, 8990695), (115, 7192556), (140, 5908171), (161, 5137540), (230, 3596278), (322, 2568770), (460, 1798139), (644, 1284385), (805, 1027508), (1610, 513754), (3220, 256877)]