190909040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{340909}}^1$

素因数の和:340929

約数の個数: 40

約数和(自身を含む): 507274080

約数和(自身を除く): 316365040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 340909, 681818, 1363636, 1704545, 2386363, 2727272, 3409090, 4772726, 5454544, 6818180, 9545452, 11931815, 13636360, 19090904, 23863630, 27272720, 38181808, 47727260, 95454520, 190909040]

約数ペア:

[(1, 190909040), (2, 95454520), (4, 47727260), (5, 38181808), (7, 27272720), (8, 23863630), (10, 19090904), (14, 13636360), (16, 11931815), (20, 9545452), (28, 6818180), (35, 5454544), (40, 4772726), (56, 3409090), (70, 2727272), (80, 2386363), (112, 1704545), (140, 1363636), (280, 681818), (560, 340909)]