220658270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{1123}}^1$

素因数の和:1545

約数の個数: 48

約数和(自身を含む): 463596048

約数和(自身を除く): 242937778

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 401, 490, 802, 1123, 2005, 2246, 2807, 4010, 5614, 5615, 7861, 11230, 14035, 15722, 19649, 28070, 39298, 39305, 55027, 78610, 98245, 110054, 196490, 275135, 450323, 550270, 900646, 2251615, 3152261, 4503230, 6304522, 15761305, 22065827, 31522610, 44131654, 110329135, 220658270]

約数ペア:

[(1, 220658270), (2, 110329135), (5, 44131654), (7, 31522610), (10, 22065827), (14, 15761305), (35, 6304522), (49, 4503230), (70, 3152261), (98, 2251615), (245, 900646), (401, 550270), (490, 450323), (802, 275135), (1123, 196490), (2005, 110054), (2246, 98245), (2807, 78610), (4010, 55027), (5614, 39305), (5615, 39298), (7861, 28070), (11230, 19649), (14035, 15722)]