7050020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 15579648

約数和(自身を除く): 8529628

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 137, 155, 166, 274, 310, 332, 415, 548, 620, 685, 830, 1370, 1660, 2573, 2740, 4247, 5146, 8494, 10292, 11371, 12865, 16988, 21235, 22742, 25730, 42470, 45484, 51460, 56855, 84940, 113710, 227420, 352501, 705002, 1410004, 1762505, 3525010, 7050020]

約数ペア:

[(1, 7050020), (2, 3525010), (4, 1762505), (5, 1410004), (10, 705002), (20, 352501), (31, 227420), (62, 113710), (83, 84940), (124, 56855), (137, 51460), (155, 45484), (166, 42470), (274, 25730), (310, 22742), (332, 21235), (415, 16988), (548, 12865), (620, 11371), (685, 10292), (830, 8494), (1370, 5146), (1660, 4247), (2573, 2740)]