201205280

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 488980800

約数和(自身を除く): 287775520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 109, 139, 160, 166, 218, 278, 332, 415, 436, 545, 556, 664, 695, 830, 872, 1090, 1112, 1328, 1390, 1660, 1744, 2180, 2224, 2656, 2780, 3320, 3488, 4360, 4448, 5560, 6640, 8720, 9047, 11120, 11537, 13280, 15151, 17440, 18094, 22240, 23074, 30302, 36188, 45235, 46148, 57685, 60604, 72376, 75755, 90470, 92296, 115370, 121208, 144752, 151510, 180940, 184592, 230740, 242416, 289504, 303020, 361880, 369184, 461480, 484832, 606040, 723760, 922960, 1212080, 1257533, 1447520, 1845920, 2424160, 2515066, 5030132, 6287665, 10060264, 12575330, 20120528, 25150660, 40241056, 50301320, 100602640, 201205280]

約数ペア:

[(1, 201205280), (2, 100602640), (4, 50301320), (5, 40241056), (8, 25150660), (10, 20120528), (16, 12575330), (20, 10060264), (32, 6287665), (40, 5030132), (80, 2515066), (83, 2424160), (109, 1845920), (139, 1447520), (160, 1257533), (166, 1212080), (218, 922960), (278, 723760), (332, 606040), (415, 484832), (436, 461480), (545, 369184), (556, 361880), (664, 303020), (695, 289504), (830, 242416), (872, 230740), (1090, 184592), (1112, 180940), (1328, 151510), (1390, 144752), (1660, 121208), (1744, 115370), (2180, 92296), (2224, 90470), (2656, 75755), (2780, 72376), (3320, 60604), (3488, 57685), (4360, 46148), (4448, 45235), (5560, 36188), (6640, 30302), (8720, 23074), (9047, 22240), (11120, 18094), (11537, 17440), (13280, 15151)]