313157320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1118419}}^1$

素因数の和:1118437

約数の個数: 32

約数和(自身を含む): 805262400

約数和(自身を除く): 492105080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1118419, 2236838, 4473676, 5592095, 7828933, 8947352, 11184190, 15657866, 22368380, 31315732, 39144665, 44736760, 62631464, 78289330, 156578660, 313157320]

約数ペア:

[(1, 313157320), (2, 156578660), (4, 78289330), (5, 62631464), (7, 44736760), (8, 39144665), (10, 31315732), (14, 22368380), (20, 15657866), (28, 11184190), (35, 8947352), (40, 7828933), (56, 5592095), (70, 4473676), (140, 2236838), (280, 1118419)]