1988409070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{112403}}^1$

素因数の和:112500

約数の個数: 32

約数和(自身を含む): 3763285920

約数和(自身を除く): 1774876850

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 8845, 17690, 112403, 224806, 562015, 1124030, 3259687, 6519374, 6856583, 13713166, 16298435, 32596870, 34282915, 68565830, 198840907, 397681814, 994204535, 1988409070]

約数ペア:

[(1, 1988409070), (2, 994204535), (5, 397681814), (10, 198840907), (29, 68565830), (58, 34282915), (61, 32596870), (122, 16298435), (145, 13713166), (290, 6856583), (305, 6519374), (610, 3259687), (1769, 1124030), (3538, 562015), (8845, 224806), (17690, 112403)]