153856870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{1321}}^1$

素因数の和:1960

約数の個数: 32

約数和(自身を含む): 292214880

約数和(自身を除く): 138358010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 613, 1226, 1321, 2642, 3065, 6130, 6605, 11647, 13210, 23294, 25099, 50198, 58235, 116470, 125495, 250990, 809773, 1619546, 4048865, 8097730, 15385687, 30771374, 76928435, 153856870]

約数ペア:

[(1, 153856870), (2, 76928435), (5, 30771374), (10, 15385687), (19, 8097730), (38, 4048865), (95, 1619546), (190, 809773), (613, 250990), (1226, 125495), (1321, 116470), (2642, 58235), (3065, 50198), (6130, 25099), (6605, 23294), (11647, 13210)]