28341880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101221}}^1$

素因数の和:101239

約数の個数: 32

約数和(自身を含む): 72879840

約数和(自身を除く): 44537960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101221, 202442, 404884, 506105, 708547, 809768, 1012210, 1417094, 2024420, 2834188, 3542735, 4048840, 5668376, 7085470, 14170940, 28341880]

約数ペア:

[(1, 28341880), (2, 14170940), (4, 7085470), (5, 5668376), (7, 4048840), (8, 3542735), (10, 2834188), (14, 2024420), (20, 1417094), (28, 1012210), (35, 809768), (40, 708547), (56, 506105), (70, 404884), (140, 202442), (280, 101221)]