201881990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{12689}}^1$

素因数の和:12776

約数の個数: 32

約数和(自身を含む): 381918240

約数和(自身を除く): 180036250

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1591, 3182, 7955, 12689, 15910, 25378, 63445, 126890, 469493, 545627, 938986, 1091254, 2347465, 2728135, 4694930, 5456270, 20188199, 40376398, 100940995, 201881990]

約数ペア:

[(1, 201881990), (2, 100940995), (5, 40376398), (10, 20188199), (37, 5456270), (43, 4694930), (74, 2728135), (86, 2347465), (185, 1091254), (215, 938986), (370, 545627), (430, 469493), (1591, 126890), (3182, 63445), (7955, 25378), (12689, 15910)]