90639220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{92489}}^1$

素因数の和:92512

約数の個数: 36

約数和(自身を含む): 221421060

約数和(自身を除く): 130781840

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 92489, 184978, 369956, 462445, 647423, 924890, 1294846, 1849780, 2589692, 3237115, 4531961, 6474230, 9063922, 12948460, 18127844, 22659805, 45319610, 90639220]

約数ペア:

[(1, 90639220), (2, 45319610), (4, 22659805), (5, 18127844), (7, 12948460), (10, 9063922), (14, 6474230), (20, 4531961), (28, 3237115), (35, 2589692), (49, 1849780), (70, 1294846), (98, 924890), (140, 647423), (196, 462445), (245, 369956), (490, 184978), (980, 92489)]