7998430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 17107200

約数和(自身を除く): 9108770

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 43, 55, 86, 89, 95, 110, 178, 190, 209, 215, 418, 430, 445, 473, 817, 890, 946, 979, 1045, 1634, 1691, 1958, 2090, 2365, 3382, 3827, 4085, 4730, 4895, 7654, 8170, 8455, 8987, 9790, 16910, 17974, 18601, 19135, 37202, 38270, 42097, 44935, 72713, 84194, 89870, 93005, 145426, 186010, 210485, 363565, 420970, 727130, 799843, 1599686, 3999215, 7998430]

約数ペア:

[(1, 7998430), (2, 3999215), (5, 1599686), (10, 799843), (11, 727130), (19, 420970), (22, 363565), (38, 210485), (43, 186010), (55, 145426), (86, 93005), (89, 89870), (95, 84194), (110, 72713), (178, 44935), (190, 42097), (209, 38270), (215, 37202), (418, 19135), (430, 18601), (445, 17974), (473, 16910), (817, 9790), (890, 8987), (946, 8455), (979, 8170), (1045, 7654), (1634, 4895), (1691, 4730), (1958, 4085), (2090, 3827), (2365, 3382)]