38149960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 89262000

約数和(自身を除く): 51112040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 149, 173, 185, 296, 298, 346, 370, 596, 692, 740, 745, 865, 1192, 1384, 1480, 1490, 1730, 2980, 3460, 5513, 5960, 6401, 6920, 11026, 12802, 22052, 25604, 25777, 27565, 32005, 44104, 51208, 51554, 55130, 64010, 103108, 110260, 128020, 128885, 206216, 220520, 256040, 257770, 515540, 953749, 1031080, 1907498, 3814996, 4768745, 7629992, 9537490, 19074980, 38149960]

約数ペア:

[(1, 38149960), (2, 19074980), (4, 9537490), (5, 7629992), (8, 4768745), (10, 3814996), (20, 1907498), (37, 1031080), (40, 953749), (74, 515540), (148, 257770), (149, 256040), (173, 220520), (185, 206216), (296, 128885), (298, 128020), (346, 110260), (370, 103108), (596, 64010), (692, 55130), (740, 51554), (745, 51208), (865, 44104), (1192, 32005), (1384, 27565), (1480, 25777), (1490, 25604), (1730, 22052), (2980, 12802), (3460, 11026), (5513, 6920), (5960, 6401)]