42400120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151429}}^1$

素因数の和:151447

約数の個数: 32

約数和(自身を含む): 109029600

約数和(自身を除く): 66629480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 151429, 302858, 605716, 757145, 1060003, 1211432, 1514290, 2120006, 3028580, 4240012, 5300015, 6057160, 8480024, 10600030, 21200060, 42400120]

約数ペア:

[(1, 42400120), (2, 21200060), (4, 10600030), (5, 8480024), (7, 6057160), (8, 5300015), (10, 4240012), (14, 3028580), (20, 2120006), (28, 1514290), (35, 1211432), (40, 1060003), (56, 757145), (70, 605716), (140, 302858), (280, 151429)]