90226540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2131}}^1$

素因数の和:2242

約数の個数: 48

約数和(自身を含む): 198787680

約数和(自身を除く): 108561140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 2131, 4234, 4262, 8468, 8524, 10585, 10655, 21170, 21310, 42340, 42620, 61799, 123598, 155563, 247196, 308995, 311126, 617990, 622252, 777815, 1235980, 1555630, 3111260, 4511327, 9022654, 18045308, 22556635, 45113270, 90226540]

約数ペア:

[(1, 90226540), (2, 45113270), (4, 22556635), (5, 18045308), (10, 9022654), (20, 4511327), (29, 3111260), (58, 1555630), (73, 1235980), (116, 777815), (145, 622252), (146, 617990), (290, 311126), (292, 308995), (365, 247196), (580, 155563), (730, 123598), (1460, 61799), (2117, 42620), (2131, 42340), (4234, 21310), (4262, 21170), (8468, 10655), (8524, 10585)]