689870980

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{50503}}^1$

素因数の和:51195

約数の個数: 24

約数和(自身を含む): 1450878912

約数和(自身を除く): 761007932

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 6830, 13660, 50503, 101006, 202012, 252515, 505030, 1010060, 34493549, 68987098, 137974196, 172467745, 344935490, 689870980]

約数ペア:

[(1, 689870980), (2, 344935490), (4, 172467745), (5, 137974196), (10, 68987098), (20, 34493549), (683, 1010060), (1366, 505030), (2732, 252515), (3415, 202012), (6830, 101006), (13660, 50503)]