118398520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79999}}^1$

素因数の和:80047

約数の個数: 32

約数和(自身を含む): 273600000

約数和(自身を除く): 155201480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 79999, 159998, 319996, 399995, 639992, 799990, 1599980, 2959963, 3199960, 5919926, 11839852, 14799815, 23679704, 29599630, 59199260, 118398520]

約数ペア:

[(1, 118398520), (2, 59199260), (4, 29599630), (5, 23679704), (8, 14799815), (10, 11839852), (20, 5919926), (37, 3199960), (40, 2959963), (74, 1599980), (148, 799990), (185, 639992), (296, 399995), (370, 319996), (740, 159998), (1480, 79999)]