2019077740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{19979}}^1$

素因数の和:20182

約数の個数: 48

約数和(自身を含む): 4403911680

約数和(自身を除く): 2384833940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 1630, 3260, 5053, 10106, 19979, 20212, 25265, 39958, 50530, 79916, 99895, 101060, 199790, 399580, 619349, 1238698, 2477396, 3096745, 3256577, 6193490, 6513154, 12386980, 13026308, 16282885, 32565770, 65131540, 100953887, 201907774, 403815548, 504769435, 1009538870, 2019077740]

約数ペア:

[(1, 2019077740), (2, 1009538870), (4, 504769435), (5, 403815548), (10, 201907774), (20, 100953887), (31, 65131540), (62, 32565770), (124, 16282885), (155, 13026308), (163, 12386980), (310, 6513154), (326, 6193490), (620, 3256577), (652, 3096745), (815, 2477396), (1630, 1238698), (3260, 619349), (5053, 399580), (10106, 199790), (19979, 101060), (20212, 99895), (25265, 79916), (39958, 50530)]