520045690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{20149}}^1$

素因数の和:20274

約数の個数: 32

約数和(自身を含む): 979290000

約数和(自身を除く): 459244310

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 5162, 12905, 20149, 25810, 40298, 100745, 201490, 584321, 1168642, 1793261, 2921605, 3586522, 5843210, 8966305, 17932610, 52004569, 104009138, 260022845, 520045690]

約数ペア:

[(1, 520045690), (2, 260022845), (5, 104009138), (10, 52004569), (29, 17932610), (58, 8966305), (89, 5843210), (145, 3586522), (178, 2921605), (290, 1793261), (445, 1168642), (890, 584321), (2581, 201490), (5162, 100745), (12905, 40298), (20149, 25810)]