7952420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 19544448

約数和(自身を除く): 11592028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1321, 1505, 2642, 3010, 5284, 6020, 6605, 9247, 13210, 18494, 26420, 36988, 46235, 56803, 92470, 113606, 184940, 227212, 284015, 397621, 568030, 795242, 1136060, 1590484, 1988105, 3976210, 7952420]

約数ペア:

[(1, 7952420), (2, 3976210), (4, 1988105), (5, 1590484), (7, 1136060), (10, 795242), (14, 568030), (20, 397621), (28, 284015), (35, 227212), (43, 184940), (70, 113606), (86, 92470), (140, 56803), (172, 46235), (215, 36988), (301, 26420), (430, 18494), (602, 13210), (860, 9247), (1204, 6605), (1321, 6020), (1505, 5284), (2642, 3010)]