30124820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 69552000

約数和(自身を除く): 39427180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 919, 1490, 1639, 1838, 2980, 3278, 3676, 4595, 6556, 8195, 9190, 10109, 16390, 18380, 20218, 32780, 40436, 50545, 101090, 136931, 202180, 273862, 547724, 684655, 1369310, 1506241, 2738620, 3012482, 6024964, 7531205, 15062410, 30124820]

約数ペア:

[(1, 30124820), (2, 15062410), (4, 7531205), (5, 6024964), (10, 3012482), (11, 2738620), (20, 1506241), (22, 1369310), (44, 684655), (55, 547724), (110, 273862), (149, 202180), (220, 136931), (298, 101090), (596, 50545), (745, 40436), (919, 32780), (1490, 20218), (1639, 18380), (1838, 16390), (2980, 10109), (3278, 9190), (3676, 8195), (4595, 6556)]