202804645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 264384000

約数和(自身を除く): 61579355

約数列:

[1, 5, 17, 67, 85, 149, 239, 335, 745, 1139, 1195, 2533, 4063, 5695, 9983, 12665, 16013, 20315, 35611, 49915, 80065, 169711, 178055, 272221, 605387, 848555, 1361105, 2385937, 3026935, 11929685, 40560929, 202804645]

約数ペア:

[(1, 202804645), (5, 40560929), (17, 11929685), (67, 3026935), (85, 2385937), (149, 1361105), (239, 848555), (335, 605387), (745, 272221), (1139, 178055), (1195, 169711), (2533, 80065), (4063, 49915), (5695, 35611), (9983, 20315), (12665, 16013)]