2939420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 6967296

約数和(自身を除く): 4027876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 431, 620, 682, 862, 1364, 1705, 1724, 2155, 3410, 4310, 4741, 6820, 8620, 9482, 13361, 18964, 23705, 26722, 47410, 53444, 66805, 94820, 133610, 146971, 267220, 293942, 587884, 734855, 1469710, 2939420]

約数ペア:

[(1, 2939420), (2, 1469710), (4, 734855), (5, 587884), (10, 293942), (11, 267220), (20, 146971), (22, 133610), (31, 94820), (44, 66805), (55, 53444), (62, 47410), (110, 26722), (124, 23705), (155, 18964), (220, 13361), (310, 9482), (341, 8620), (431, 6820), (620, 4741), (682, 4310), (862, 3410), (1364, 2155), (1705, 1724)]