189016720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{63857}}^1$

素因数の和:63907

約数の個数: 40

約数和(自身を含む): 451348344

約数和(自身を除く): 262331624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 63857, 127714, 255428, 319285, 510856, 638570, 1021712, 1277140, 2362709, 2554280, 4725418, 5108560, 9450836, 11813545, 18901672, 23627090, 37803344, 47254180, 94508360, 189016720]

約数ペア:

[(1, 189016720), (2, 94508360), (4, 47254180), (5, 37803344), (8, 23627090), (10, 18901672), (16, 11813545), (20, 9450836), (37, 5108560), (40, 4725418), (74, 2554280), (80, 2362709), (148, 1277140), (185, 1021712), (296, 638570), (370, 510856), (592, 319285), (740, 255428), (1480, 127714), (2960, 63857)]