71981350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{205661}}^1$

素因数の和:205680

約数の個数: 24

約数和(自身を含む): 153012528

約数和(自身を除く): 81031178

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 205661, 411322, 1028305, 1439627, 2056610, 2879254, 5141525, 7198135, 10283050, 14396270, 35990675, 71981350]

約数ペア:

[(1, 71981350), (2, 35990675), (5, 14396270), (7, 10283050), (10, 7198135), (14, 5141525), (25, 2879254), (35, 2056610), (50, 1439627), (70, 1028305), (175, 411322), (350, 205661)]