309965320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1107019}}^1$

素因数の和:1107037

約数の個数: 32

約数和(自身を含む): 797054400

約数和(自身を除く): 487089080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1107019, 2214038, 4428076, 5535095, 7749133, 8856152, 11070190, 15498266, 22140380, 30996532, 38745665, 44280760, 61993064, 77491330, 154982660, 309965320]

約数ペア:

[(1, 309965320), (2, 154982660), (4, 77491330), (5, 61993064), (7, 44280760), (8, 38745665), (10, 30996532), (14, 22140380), (20, 15498266), (28, 11070190), (35, 8856152), (40, 7749133), (56, 5535095), (70, 4428076), (140, 2214038), (280, 1107019)]