87710980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89501}}^1$

素因数の和:89524

約数の個数: 36

約数和(自身を含む): 214267788

約数和(自身を除く): 126556808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 89501, 179002, 358004, 447505, 626507, 895010, 1253014, 1790020, 2506028, 3132535, 4385549, 6265070, 8771098, 12530140, 17542196, 21927745, 43855490, 87710980]

約数ペア:

[(1, 87710980), (2, 43855490), (4, 21927745), (5, 17542196), (7, 12530140), (10, 8771098), (14, 6265070), (20, 4385549), (28, 3132535), (35, 2506028), (49, 1790020), (70, 1253014), (98, 895010), (140, 626507), (196, 447505), (245, 358004), (490, 179002), (980, 89501)]