187288780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1103

約数の個数: 72

約数和(自身を含む): 460107648

約数和(自身を除く): 272818868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 446, 490, 857, 892, 980, 1115, 1561, 1714, 2230, 3122, 3428, 4285, 4460, 5999, 6244, 7805, 8570, 10927, 11998, 15610, 17140, 21854, 23996, 29995, 31220, 41993, 43708, 54635, 59990, 83986, 109270, 119980, 167972, 191111, 209965, 218540, 382222, 419930, 764444, 839860, 955555, 1337777, 1911110, 2675554, 3822220, 5351108, 6688885, 9364439, 13377770, 18728878, 26755540, 37457756, 46822195, 93644390, 187288780]

約数ペア:

[(1, 187288780), (2, 93644390), (4, 46822195), (5, 37457756), (7, 26755540), (10, 18728878), (14, 13377770), (20, 9364439), (28, 6688885), (35, 5351108), (49, 3822220), (70, 2675554), (98, 1911110), (140, 1337777), (196, 955555), (223, 839860), (245, 764444), (446, 419930), (490, 382222), (857, 218540), (892, 209965), (980, 191111), (1115, 167972), (1561, 119980), (1714, 109270), (2230, 83986), (3122, 59990), (3428, 54635), (4285, 43708), (4460, 41993), (5999, 31220), (6244, 29995), (7805, 23996), (8570, 21854), (10927, 17140), (11998, 15610)]