70868840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{253103}}^1$

素因数の和:253121

約数の個数: 32

約数和(自身を含む): 182234880

約数和(自身を除く): 111366040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 253103, 506206, 1012412, 1265515, 1771721, 2024824, 2531030, 3543442, 5062060, 7086884, 8858605, 10124120, 14173768, 17717210, 35434420, 70868840]

約数ペア:

[(1, 70868840), (2, 35434420), (4, 17717210), (5, 14173768), (7, 10124120), (8, 8858605), (10, 7086884), (14, 5062060), (20, 3543442), (28, 2531030), (35, 2024824), (40, 1771721), (56, 1265515), (70, 1012412), (140, 506206), (280, 253103)]