89370980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1493}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 195020784

約数和(自身を除く): 105649804

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 730, 820, 1460, 1493, 2986, 2993, 5972, 5986, 7465, 11972, 14930, 14965, 29860, 29930, 59860, 61213, 108989, 122426, 217978, 244852, 306065, 435956, 544945, 612130, 1089890, 1224260, 2179780, 4468549, 8937098, 17874196, 22342745, 44685490, 89370980]

約数ペア:

[(1, 89370980), (2, 44685490), (4, 22342745), (5, 17874196), (10, 8937098), (20, 4468549), (41, 2179780), (73, 1224260), (82, 1089890), (146, 612130), (164, 544945), (205, 435956), (292, 306065), (365, 244852), (410, 217978), (730, 122426), (820, 108989), (1460, 61213), (1493, 59860), (2986, 29930), (2993, 29860), (5972, 14965), (5986, 14930), (7465, 11972)]