7442220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1747}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 21143808

約数和(自身を除く): 13701588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1747, 2130, 3494, 4260, 5241, 6988, 8735, 10482, 17470, 20964, 26205, 34940, 52410, 104820, 124037, 248074, 372111, 496148, 620185, 744222, 1240370, 1488444, 1860555, 2480740, 3721110, 7442220]

約数ペア:

[(1, 7442220), (2, 3721110), (3, 2480740), (4, 1860555), (5, 1488444), (6, 1240370), (10, 744222), (12, 620185), (15, 496148), (20, 372111), (30, 248074), (60, 124037), (71, 104820), (142, 52410), (213, 34940), (284, 26205), (355, 20964), (426, 17470), (710, 10482), (852, 8735), (1065, 6988), (1420, 5241), (1747, 4260), (2130, 3494)]