2210320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3947}}^1$

素因数の和:3967

約数の個数: 40

約数和(自身を含む): 5874624

約数和(自身を除く): 3664304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3947, 7894, 15788, 19735, 27629, 31576, 39470, 55258, 63152, 78940, 110516, 138145, 157880, 221032, 276290, 315760, 442064, 552580, 1105160, 2210320]

約数ペア:

[(1, 2210320), (2, 1105160), (4, 552580), (5, 442064), (7, 315760), (8, 276290), (10, 221032), (14, 157880), (16, 138145), (20, 110516), (28, 78940), (35, 63152), (40, 55258), (56, 39470), (70, 31576), (80, 27629), (112, 19735), (140, 15788), (280, 7894), (560, 3947)]