1279315660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397303}}^1$

素因数の和:397342

約数の個数: 48

約数和(自身を含む): 3203859456

約数和(自身を除く): 1924543796

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, 397303, 794606, 1589212, 1986515, 2781121, 3973030, 5562242, 7946060, 9137969, 11124484, 13905605, 18275938, 27811210, 36551876, 45689845, 55622420, 63965783, 91379690, 127931566, 182759380, 255863132, 319828915, 639657830, 1279315660]

約数ペア:

[(1, 1279315660), (2, 639657830), (4, 319828915), (5, 255863132), (7, 182759380), (10, 127931566), (14, 91379690), (20, 63965783), (23, 55622420), (28, 45689845), (35, 36551876), (46, 27811210), (70, 18275938), (92, 13905605), (115, 11124484), (140, 9137969), (161, 7946060), (230, 5562242), (322, 3973030), (460, 2781121), (644, 1986515), (805, 1589212), (1610, 794606), (3220, 397303)]