72876860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520549}}^1$

素因数の和:520565

約数の個数: 24

約数和(自身を含む): 174904800

約数和(自身を除く): 102027940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520549, 1041098, 2082196, 2602745, 3643843, 5205490, 7287686, 10410980, 14575372, 18219215, 36438430, 72876860]

約数ペア:

[(1, 72876860), (2, 36438430), (4, 18219215), (5, 14575372), (7, 10410980), (10, 7287686), (14, 5205490), (20, 3643843), (28, 2602745), (35, 2082196), (70, 1041098), (140, 520549)]