28021700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{40031}}^1$

素因数の和:40052

約数の個数: 36

約数和(自身を含む): 69495552

約数和(自身を除く): 41473852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 40031, 80062, 160124, 200155, 280217, 400310, 560434, 800620, 1000775, 1120868, 1401085, 2001550, 2802170, 4003100, 5604340, 7005425, 14010850, 28021700]

約数ペア:

[(1, 28021700), (2, 14010850), (4, 7005425), (5, 5604340), (7, 4003100), (10, 2802170), (14, 2001550), (20, 1401085), (25, 1120868), (28, 1000775), (35, 800620), (50, 560434), (70, 400310), (100, 280217), (140, 200155), (175, 160124), (350, 80062), (700, 40031)]