68203240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{243583}}^1$

素因数の和:243601

約数の個数: 32

約数和(自身を含む): 175380480

約数和(自身を除く): 107177240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 243583, 487166, 974332, 1217915, 1705081, 1948664, 2435830, 3410162, 4871660, 6820324, 8525405, 9743320, 13640648, 17050810, 34101620, 68203240]

約数ペア:

[(1, 68203240), (2, 34101620), (4, 17050810), (5, 13640648), (7, 9743320), (8, 8525405), (10, 6820324), (14, 4871660), (20, 3410162), (28, 2435830), (35, 1948664), (40, 1705081), (56, 1217915), (70, 974332), (140, 487166), (280, 243583)]