190079720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2011}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 456321600

約数和(自身を除く): 266241880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 680, 695, 1112, 1390, 2011, 2363, 2780, 4022, 4726, 5560, 8044, 9452, 10055, 11815, 16088, 18904, 20110, 23630, 34187, 40220, 47260, 68374, 80440, 94520, 136748, 170935, 273496, 279529, 341870, 559058, 683740, 1118116, 1367480, 1397645, 2236232, 2795290, 4751993, 5590580, 9503986, 11181160, 19007972, 23759965, 38015944, 47519930, 95039860, 190079720]

約数ペア:

[(1, 190079720), (2, 95039860), (4, 47519930), (5, 38015944), (8, 23759965), (10, 19007972), (17, 11181160), (20, 9503986), (34, 5590580), (40, 4751993), (68, 2795290), (85, 2236232), (136, 1397645), (139, 1367480), (170, 1118116), (278, 683740), (340, 559058), (556, 341870), (680, 279529), (695, 273496), (1112, 170935), (1390, 136748), (2011, 94520), (2363, 80440), (2780, 68374), (4022, 47260), (4726, 40220), (5560, 34187), (8044, 23630), (9452, 20110), (10055, 18904), (11815, 16088)]