2245420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1$

素因数の和:358

約数の個数: 36

約数和(自身を含む): 4992624

約数和(自身を除く): 2747204

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 311, 361, 380, 622, 722, 1244, 1444, 1555, 1805, 3110, 3610, 5909, 6220, 7220, 11818, 23636, 29545, 59090, 112271, 118180, 224542, 449084, 561355, 1122710, 2245420]

約数ペア:

[(1, 2245420), (2, 1122710), (4, 561355), (5, 449084), (10, 224542), (19, 118180), (20, 112271), (38, 59090), (76, 29545), (95, 23636), (190, 11818), (311, 7220), (361, 6220), (380, 5909), (622, 3610), (722, 3110), (1244, 1805), (1444, 1555)]