221400550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 493396992

約数和(自身を除く): 271996442

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 47, 50, 70, 86, 94, 175, 215, 235, 301, 313, 329, 350, 430, 470, 602, 626, 658, 1075, 1175, 1505, 1565, 1645, 2021, 2150, 2191, 2350, 3010, 3130, 3290, 4042, 4382, 7525, 7825, 8225, 10105, 10955, 13459, 14147, 14711, 15050, 15650, 16450, 20210, 21910, 26918, 28294, 29422, 50525, 54775, 67295, 70735, 73555, 94213, 101050, 102977, 109550, 134590, 141470, 147110, 188426, 205954, 336475, 353675, 367775, 471065, 514885, 632573, 672950, 707350, 735550, 942130, 1029770, 1265146, 2355325, 2574425, 3162865, 4428011, 4710650, 5148850, 6325730, 8856022, 15814325, 22140055, 31628650, 44280110, 110700275, 221400550]

約数ペア:

[(1, 221400550), (2, 110700275), (5, 44280110), (7, 31628650), (10, 22140055), (14, 15814325), (25, 8856022), (35, 6325730), (43, 5148850), (47, 4710650), (50, 4428011), (70, 3162865), (86, 2574425), (94, 2355325), (175, 1265146), (215, 1029770), (235, 942130), (301, 735550), (313, 707350), (329, 672950), (350, 632573), (430, 514885), (470, 471065), (602, 367775), (626, 353675), (658, 336475), (1075, 205954), (1175, 188426), (1505, 147110), (1565, 141470), (1645, 134590), (2021, 109550), (2150, 102977), (2191, 101050), (2350, 94213), (3010, 73555), (3130, 70735), (3290, 67295), (4042, 54775), (4382, 50525), (7525, 29422), (7825, 28294), (8225, 26918), (10105, 21910), (10955, 20210), (13459, 16450), (14147, 15650), (14711, 15050)]