200724580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{204821}}^1$

素因数の和:204844

約数の個数: 36

約数和(自身を含む): 490343868

約数和(自身を除く): 289619288

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 204821, 409642, 819284, 1024105, 1433747, 2048210, 2867494, 4096420, 5734988, 7168735, 10036229, 14337470, 20072458, 28674940, 40144916, 50181145, 100362290, 200724580]

約数ペア:

[(1, 200724580), (2, 100362290), (4, 50181145), (5, 40144916), (7, 28674940), (10, 20072458), (14, 14337470), (20, 10036229), (28, 7168735), (35, 5734988), (49, 4096420), (70, 2867494), (98, 2048210), (140, 1433747), (196, 1024105), (245, 819284), (490, 409642), (980, 204821)]