72512860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{517949}}^1$

素因数の和:517965

約数の個数: 24

約数和(自身を含む): 174031200

約数和(自身を除く): 101518340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 517949, 1035898, 2071796, 2589745, 3625643, 5179490, 7251286, 10358980, 14502572, 18128215, 36256430, 72512860]

約数ペア:

[(1, 72512860), (2, 36256430), (4, 18128215), (5, 14502572), (7, 10358980), (10, 7251286), (14, 5179490), (20, 3625643), (28, 2589745), (35, 2071796), (70, 1035898), (140, 517949)]