331340380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{21713}}^1$

素因数の和:21838

約数の個数: 48

約数和(自身を含む): 802549440

約数和(自身を除く): 471209060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 21713, 43426, 86852, 108565, 151991, 217130, 303982, 434260, 607964, 759955, 1519910, 2366717, 3039820, 4733434, 9466868, 11833585, 16567019, 23667170, 33134038, 47334340, 66268076, 82835095, 165670190, 331340380]

約数ペア:

[(1, 331340380), (2, 165670190), (4, 82835095), (5, 66268076), (7, 47334340), (10, 33134038), (14, 23667170), (20, 16567019), (28, 11833585), (35, 9466868), (70, 4733434), (109, 3039820), (140, 2366717), (218, 1519910), (436, 759955), (545, 607964), (763, 434260), (1090, 303982), (1526, 217130), (2180, 151991), (3052, 108565), (3815, 86852), (7630, 43426), (15260, 21713)]