28854140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29443}}^1$

素因数の和:29466

約数の個数: 36

約数和(自身を含む): 70488936

約数和(自身を除く): 41634796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29443, 58886, 117772, 147215, 206101, 294430, 412202, 588860, 824404, 1030505, 1442707, 2061010, 2885414, 4122020, 5770828, 7213535, 14427070, 28854140]

約数ペア:

[(1, 28854140), (2, 14427070), (4, 7213535), (5, 5770828), (7, 4122020), (10, 2885414), (14, 2061010), (20, 1442707), (28, 1030505), (35, 824404), (49, 588860), (70, 412202), (98, 294430), (140, 206101), (196, 147215), (245, 117772), (490, 58886), (980, 29443)]