3947720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 10609920

約数和(自身を除く): 6662200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 613, 644, 805, 920, 1226, 1288, 1610, 2452, 3065, 3220, 4291, 4904, 6130, 6440, 8582, 12260, 14099, 17164, 21455, 24520, 28198, 34328, 42910, 56396, 70495, 85820, 98693, 112792, 140990, 171640, 197386, 281980, 394772, 493465, 563960, 789544, 986930, 1973860, 3947720]

約数ペア:

[(1, 3947720), (2, 1973860), (4, 986930), (5, 789544), (7, 563960), (8, 493465), (10, 394772), (14, 281980), (20, 197386), (23, 171640), (28, 140990), (35, 112792), (40, 98693), (46, 85820), (56, 70495), (70, 56396), (92, 42910), (115, 34328), (140, 28198), (161, 24520), (184, 21455), (230, 17164), (280, 14099), (322, 12260), (460, 8582), (613, 6440), (644, 6130), (805, 4904), (920, 4291), (1226, 3220), (1288, 3065), (1610, 2452)]