202119860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1259}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 444528000

約数和(自身を除く): 242408140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 349, 460, 698, 1259, 1396, 1745, 2518, 3490, 5036, 6295, 6980, 8027, 12590, 16054, 25180, 28957, 32108, 40135, 57914, 80270, 115828, 144785, 160540, 289570, 439391, 579140, 878782, 1757564, 2196955, 4393910, 8787820, 10105993, 20211986, 40423972, 50529965, 101059930, 202119860]

約数ペア:

[(1, 202119860), (2, 101059930), (4, 50529965), (5, 40423972), (10, 20211986), (20, 10105993), (23, 8787820), (46, 4393910), (92, 2196955), (115, 1757564), (230, 878782), (349, 579140), (460, 439391), (698, 289570), (1259, 160540), (1396, 144785), (1745, 115828), (2518, 80270), (3490, 57914), (5036, 40135), (6295, 32108), (6980, 28957), (8027, 25180), (12590, 16054)]