2199820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 5564160

約数和(自身を除く): 3364340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 827, 1330, 1654, 2660, 3308, 4135, 5789, 8270, 11578, 15713, 16540, 23156, 28945, 31426, 57890, 62852, 78565, 109991, 115780, 157130, 219982, 314260, 439964, 549955, 1099910, 2199820]

約数ペア:

[(1, 2199820), (2, 1099910), (4, 549955), (5, 439964), (7, 314260), (10, 219982), (14, 157130), (19, 115780), (20, 109991), (28, 78565), (35, 62852), (38, 57890), (70, 31426), (76, 28945), (95, 23156), (133, 16540), (140, 15713), (190, 11578), (266, 8270), (380, 5789), (532, 4135), (665, 3308), (827, 2660), (1330, 1654)]