40498220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289273}}^1$

素因数の和:289289

約数の個数: 24

約数和(自身を含む): 97196064

約数和(自身を除く): 56697844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289273, 578546, 1157092, 1446365, 2024911, 2892730, 4049822, 5785460, 8099644, 10124555, 20249110, 40498220]

約数ペア:

[(1, 40498220), (2, 20249110), (4, 10124555), (5, 8099644), (7, 5785460), (10, 4049822), (14, 2892730), (20, 2024911), (28, 1446365), (35, 1157092), (70, 578546), (140, 289273)]