2019958760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{44027}}^1$

素因数の和:44106

約数の個数: 64

約数和(自身を含む): 4818424320

約数和(自身を除く): 2798465560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 9176, 11470, 22940, 44027, 45880, 88054, 176108, 220135, 352216, 440270, 880540, 1364837, 1628999, 1761080, 2729674, 3257998, 5459348, 6515996, 6824185, 8144995, 10918696, 13031992, 13648370, 16289990, 27296740, 32579980, 50498969, 54593480, 65159960, 100997938, 201995876, 252494845, 403991752, 504989690, 1009979380, 2019958760]

約数ペア:

[(1, 2019958760), (2, 1009979380), (4, 504989690), (5, 403991752), (8, 252494845), (10, 201995876), (20, 100997938), (31, 65159960), (37, 54593480), (40, 50498969), (62, 32579980), (74, 27296740), (124, 16289990), (148, 13648370), (155, 13031992), (185, 10918696), (248, 8144995), (296, 6824185), (310, 6515996), (370, 5459348), (620, 3257998), (740, 2729674), (1147, 1761080), (1240, 1628999), (1480, 1364837), (2294, 880540), (4588, 440270), (5735, 352216), (9176, 220135), (11470, 176108), (22940, 88054), (44027, 45880)]