201720112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 452649600

約数和(自身を除く): 250929488

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 179, 209, 304, 337, 358, 418, 674, 716, 836, 1348, 1432, 1672, 1969, 2696, 2864, 3344, 3401, 3707, 3938, 5392, 6403, 6802, 7414, 7876, 12806, 13604, 14828, 15752, 25612, 27208, 29656, 31504, 37411, 51224, 54416, 59312, 60323, 70433, 74822, 102448, 120646, 140866, 149644, 241292, 281732, 299288, 482584, 563464, 598576, 663553, 965168, 1126928, 1146137, 1327106, 2292274, 2654212, 4584548, 5308424, 9169096, 10616848, 12607507, 18338192, 25215014, 50430028, 100860056, 201720112]

約数ペア:

[(1, 201720112), (2, 100860056), (4, 50430028), (8, 25215014), (11, 18338192), (16, 12607507), (19, 10616848), (22, 9169096), (38, 5308424), (44, 4584548), (76, 2654212), (88, 2292274), (152, 1327106), (176, 1146137), (179, 1126928), (209, 965168), (304, 663553), (337, 598576), (358, 563464), (418, 482584), (674, 299288), (716, 281732), (836, 241292), (1348, 149644), (1432, 140866), (1672, 120646), (1969, 102448), (2696, 74822), (2864, 70433), (3344, 60323), (3401, 59312), (3707, 54416), (3938, 51224), (5392, 37411), (6403, 31504), (6802, 29656), (7414, 27208), (7876, 25612), (12806, 15752), (13604, 14828)]