89880980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3547}}^1$

素因数の和:3744

約数の個数: 48

約数和(自身を含む): 216967296

約数和(自身を除く): 127086316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3547, 3620, 5068, 6335, 7094, 12670, 14188, 17735, 24829, 25340, 35470, 49658, 70940, 99316, 124145, 248290, 496580, 642007, 1284014, 2568028, 3210035, 4494049, 6420070, 8988098, 12840140, 17976196, 22470245, 44940490, 89880980]

約数ペア:

[(1, 89880980), (2, 44940490), (4, 22470245), (5, 17976196), (7, 12840140), (10, 8988098), (14, 6420070), (20, 4494049), (28, 3210035), (35, 2568028), (70, 1284014), (140, 642007), (181, 496580), (362, 248290), (724, 124145), (905, 99316), (1267, 70940), (1810, 49658), (2534, 35470), (3547, 25340), (3620, 24829), (5068, 17735), (6335, 14188), (7094, 12670)]