88200980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{90001}}^1$

素因数の和:90024

約数の個数: 36

約数和(自身を含む): 215464788

約数和(自身を除く): 127263808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 90001, 180002, 360004, 450005, 630007, 900010, 1260014, 1800020, 2520028, 3150035, 4410049, 6300070, 8820098, 12600140, 17640196, 22050245, 44100490, 88200980]

約数ペア:

[(1, 88200980), (2, 44100490), (4, 22050245), (5, 17640196), (7, 12600140), (10, 8820098), (14, 6300070), (20, 4410049), (28, 3150035), (35, 2520028), (49, 1800020), (70, 1260014), (98, 900010), (140, 630007), (196, 450005), (245, 360004), (490, 180002), (980, 90001)]