155599220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1111423}}^1$

素因数の和:1111439

約数の個数: 24

約数和(自身を含む): 373438464

約数和(自身を除く): 217839244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1111423, 2222846, 4445692, 5557115, 7779961, 11114230, 15559922, 22228460, 31119844, 38899805, 77799610, 155599220]

約数ペア:

[(1, 155599220), (2, 77799610), (4, 38899805), (5, 31119844), (7, 22228460), (10, 15559922), (14, 11114230), (20, 7779961), (28, 5557115), (35, 4445692), (70, 2222846), (140, 1111423)]