2016389575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 2708755200

約数和(自身を除く): 692365625

約数列:

[1, 5, 25, 29, 31, 73, 145, 155, 365, 725, 775, 899, 1229, 1825, 2117, 2263, 4495, 6145, 10585, 11315, 22475, 30725, 35641, 38099, 52925, 56575, 65627, 89717, 178205, 190495, 328135, 448585, 891025, 952475, 1104871, 1640675, 2242925, 2601793, 2781227, 5524355, 13008965, 13906135, 27621775, 65044825, 69530675, 80655583, 403277915, 2016389575]

約数ペア:

[(1, 2016389575), (5, 403277915), (25, 80655583), (29, 69530675), (31, 65044825), (73, 27621775), (145, 13906135), (155, 13008965), (365, 5524355), (725, 2781227), (775, 2601793), (899, 2242925), (1229, 1640675), (1825, 1104871), (2117, 952475), (2263, 891025), (4495, 448585), (6145, 328135), (10585, 190495), (11315, 178205), (22475, 89717), (30725, 65627), (35641, 56575), (38099, 52925)]