242797720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{551813}}^1$

素因数の和:551835

約数の個数: 32

約数和(自身を含む): 595959120

約数和(自身を除く): 353161400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 551813, 1103626, 2207252, 2759065, 4414504, 5518130, 6069943, 11036260, 12139886, 22072520, 24279772, 30349715, 48559544, 60699430, 121398860, 242797720]

約数ペア:

[(1, 242797720), (2, 121398860), (4, 60699430), (5, 48559544), (8, 30349715), (10, 24279772), (11, 22072520), (20, 12139886), (22, 11036260), (40, 6069943), (44, 5518130), (55, 4414504), (88, 2759065), (110, 2207252), (220, 1103626), (440, 551813)]