77918740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 168130368

約数和(自身を除く): 90211628

約数列:

[1, 2, 4, 5, 10, 20, 73, 83, 146, 166, 292, 332, 365, 415, 643, 730, 830, 1286, 1460, 1660, 2572, 3215, 6059, 6430, 12118, 12860, 24236, 30295, 46939, 53369, 60590, 93878, 106738, 121180, 187756, 213476, 234695, 266845, 469390, 533690, 938780, 1067380, 3895937, 7791874, 15583748, 19479685, 38959370, 77918740]

約数ペア:

[(1, 77918740), (2, 38959370), (4, 19479685), (5, 15583748), (10, 7791874), (20, 3895937), (73, 1067380), (83, 938780), (146, 533690), (166, 469390), (292, 266845), (332, 234695), (365, 213476), (415, 187756), (643, 121180), (730, 106738), (830, 93878), (1286, 60590), (1460, 53369), (1660, 46939), (2572, 30295), (3215, 24236), (6059, 12860), (6430, 12118)]