2540870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 4942080

約数和(自身を除く): 2401210

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 311, 430, 622, 817, 1555, 1634, 3110, 4085, 5909, 8170, 11818, 13373, 26746, 29545, 59090, 66865, 133730, 254087, 508174, 1270435, 2540870]

約数ペア:

[(1, 2540870), (2, 1270435), (5, 508174), (10, 254087), (19, 133730), (38, 66865), (43, 59090), (86, 29545), (95, 26746), (190, 13373), (215, 11818), (311, 8170), (430, 5909), (622, 4085), (817, 3110), (1555, 1634)]