207960760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{742717}}^1$

素因数の和:742735

約数の個数: 32

約数和(自身を含む): 534756960

約数和(自身を除く): 326796200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 742717, 1485434, 2970868, 3713585, 5199019, 5941736, 7427170, 10398038, 14854340, 20796076, 25995095, 29708680, 41592152, 51990190, 103980380, 207960760]

約数ペア:

[(1, 207960760), (2, 103980380), (4, 51990190), (5, 41592152), (7, 29708680), (8, 25995095), (10, 20796076), (14, 14854340), (20, 10398038), (28, 7427170), (35, 5941736), (40, 5199019), (56, 3713585), (70, 2970868), (140, 1485434), (280, 742717)]