201917920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54869}}^1$

素因数の和:54907

約数の個数: 48

約数和(自身を含む): 497780640

約数和(自身を除く): 295862720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 54869, 109738, 219476, 274345, 438952, 548690, 877904, 1097380, 1261987, 1755808, 2194760, 2523974, 4389520, 5047948, 6309935, 8779040, 10095896, 12619870, 20191792, 25239740, 40383584, 50479480, 100958960, 201917920]

約数ペア:

[(1, 201917920), (2, 100958960), (4, 50479480), (5, 40383584), (8, 25239740), (10, 20191792), (16, 12619870), (20, 10095896), (23, 8779040), (32, 6309935), (40, 5047948), (46, 4389520), (80, 2523974), (92, 2194760), (115, 1755808), (160, 1261987), (184, 1097380), (230, 877904), (368, 548690), (460, 438952), (736, 274345), (920, 219476), (1840, 109738), (3680, 54869)]