8397060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19993}}^1$

素因数の和:20012

約数の個数: 48

約数和(自身を含む): 26871936

約数和(自身を除く): 18474876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19993, 39986, 59979, 79972, 99965, 119958, 139951, 199930, 239916, 279902, 299895, 399860, 419853, 559804, 599790, 699755, 839706, 1199580, 1399510, 1679412, 2099265, 2799020, 4198530, 8397060]

約数ペア:

[(1, 8397060), (2, 4198530), (3, 2799020), (4, 2099265), (5, 1679412), (6, 1399510), (7, 1199580), (10, 839706), (12, 699755), (14, 599790), (15, 559804), (20, 419853), (21, 399860), (28, 299895), (30, 279902), (35, 239916), (42, 199930), (60, 139951), (70, 119958), (84, 99965), (105, 79972), (140, 59979), (210, 39986), (420, 19993)]