505789340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3612781}}^1$

素因数の和:3612797

約数の個数: 24

約数和(自身を含む): 1213894752

約数和(自身を除く): 708105412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3612781, 7225562, 14451124, 18063905, 25289467, 36127810, 50578934, 72255620, 101157868, 126447335, 252894670, 505789340]

約数ペア:

[(1, 505789340), (2, 252894670), (4, 126447335), (5, 101157868), (7, 72255620), (10, 50578934), (14, 36127810), (20, 25289467), (28, 18063905), (35, 14451124), (70, 7225562), (140, 3612781)]