87300220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2371}}^1$

素因数の和:2650

約数の個数: 48

約数和(自身を含む): 210405888

約数和(自身を除く): 123105668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2371, 2630, 3682, 4742, 5260, 7364, 9205, 9484, 11855, 16597, 18410, 23710, 33194, 36820, 47420, 66388, 82985, 165970, 331940, 623573, 1247146, 2494292, 3117865, 4365011, 6235730, 8730022, 12471460, 17460044, 21825055, 43650110, 87300220]

約数ペア:

[(1, 87300220), (2, 43650110), (4, 21825055), (5, 17460044), (7, 12471460), (10, 8730022), (14, 6235730), (20, 4365011), (28, 3117865), (35, 2494292), (70, 1247146), (140, 623573), (263, 331940), (526, 165970), (1052, 82985), (1315, 66388), (1841, 47420), (2371, 36820), (2630, 33194), (3682, 23710), (4742, 18410), (5260, 16597), (7364, 11855), (9205, 9484)]