220125920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{196541}}^1$

素因数の和:196563

約数の個数: 48

約数和(自身を含む): 594343008

約数和(自身を除く): 374217088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 196541, 393082, 786164, 982705, 1375787, 1572328, 1965410, 2751574, 3144656, 3930820, 5503148, 6289312, 6878935, 7861640, 11006296, 13757870, 15723280, 22012592, 27515740, 31446560, 44025184, 55031480, 110062960, 220125920]

約数ペア:

[(1, 220125920), (2, 110062960), (4, 55031480), (5, 44025184), (7, 31446560), (8, 27515740), (10, 22012592), (14, 15723280), (16, 13757870), (20, 11006296), (28, 7861640), (32, 6878935), (35, 6289312), (40, 5503148), (56, 3930820), (70, 3144656), (80, 2751574), (112, 1965410), (140, 1572328), (160, 1375787), (224, 982705), (280, 786164), (560, 393082), (1120, 196541)]