51443740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 110930400

約数和(自身を除く): 59486660

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 283, 298, 305, 566, 596, 610, 745, 1132, 1220, 1415, 1490, 2830, 2980, 5660, 9089, 17263, 18178, 34526, 36356, 42167, 45445, 69052, 84334, 86315, 90890, 168668, 172630, 181780, 210835, 345260, 421670, 843340, 2572187, 5144374, 10288748, 12860935, 25721870, 51443740]

約数ペア:

[(1, 51443740), (2, 25721870), (4, 12860935), (5, 10288748), (10, 5144374), (20, 2572187), (61, 843340), (122, 421670), (149, 345260), (244, 210835), (283, 181780), (298, 172630), (305, 168668), (566, 90890), (596, 86315), (610, 84334), (745, 69052), (1132, 45445), (1220, 42167), (1415, 36356), (1490, 34526), (2830, 18178), (2980, 17263), (5660, 9089)]