490307905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 635846400

約数和(自身を除く): 145538495

約数列:

[1, 5, 23, 37, 115, 139, 185, 695, 829, 851, 3197, 4145, 4255, 5143, 15985, 19067, 25715, 30673, 95335, 115231, 118289, 153365, 576155, 591445, 705479, 2650313, 3527395, 4263547, 13251565, 21317735, 98061581, 490307905]

約数ペア:

[(1, 490307905), (5, 98061581), (23, 21317735), (37, 13251565), (115, 4263547), (139, 3527395), (185, 2650313), (695, 705479), (829, 591445), (851, 576155), (3197, 153365), (4145, 118289), (4255, 115231), (5143, 95335), (15985, 30673), (19067, 25715)]