1803020740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1\times {\mathrm{2063}}^1$

素因数の和:2652

約数の個数: 48

約数和(自身を含む): 3838544640

約数和(自身を除く): 2035523900

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 491, 890, 982, 1780, 1964, 2063, 2455, 4126, 4910, 8252, 9820, 10315, 20630, 41260, 43699, 87398, 174796, 183607, 218495, 367214, 436990, 734428, 873980, 918035, 1012933, 1836070, 2025866, 3672140, 4051732, 5064665, 10129330, 20258660, 90151037, 180302074, 360604148, 450755185, 901510370, 1803020740]

約数ペア:

[(1, 1803020740), (2, 901510370), (4, 450755185), (5, 360604148), (10, 180302074), (20, 90151037), (89, 20258660), (178, 10129330), (356, 5064665), (445, 4051732), (491, 3672140), (890, 2025866), (982, 1836070), (1780, 1012933), (1964, 918035), (2063, 873980), (2455, 734428), (4126, 436990), (4910, 367214), (8252, 218495), (9820, 183607), (10315, 174796), (20630, 87398), (41260, 43699)]