2180440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 5212080

約数和(自身を除く): 3031640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 151, 152, 190, 302, 361, 380, 604, 722, 755, 760, 1208, 1444, 1510, 1805, 2869, 2888, 3020, 3610, 5738, 6040, 7220, 11476, 14345, 14440, 22952, 28690, 54511, 57380, 109022, 114760, 218044, 272555, 436088, 545110, 1090220, 2180440]

約数ペア:

[(1, 2180440), (2, 1090220), (4, 545110), (5, 436088), (8, 272555), (10, 218044), (19, 114760), (20, 109022), (38, 57380), (40, 54511), (76, 28690), (95, 22952), (151, 14440), (152, 14345), (190, 11476), (302, 7220), (361, 6040), (380, 5738), (604, 3610), (722, 3020), (755, 2888), (760, 2869), (1208, 1805), (1444, 1510)]