890339930

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1\times {\mathrm{827}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 1615593600

約数和(自身を除く): 725253670

約数列:

[1, 2, 5, 10, 199, 398, 541, 827, 995, 1082, 1654, 1990, 2705, 4135, 5410, 8270, 107659, 164573, 215318, 329146, 447407, 538295, 822865, 894814, 1076590, 1645730, 2237035, 4474070, 89033993, 178067986, 445169965, 890339930]

約数ペア:

[(1, 890339930), (2, 445169965), (5, 178067986), (10, 89033993), (199, 4474070), (398, 2237035), (541, 1645730), (827, 1076590), (995, 894814), (1082, 822865), (1654, 538295), (1990, 447407), (2705, 329146), (4135, 215318), (5410, 164573), (8270, 107659)]