199802080

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 96

約数和(自身を含む): 489180384

約数和(自身を除く): 289378304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 113, 160, 172, 215, 226, 257, 344, 430, 452, 514, 565, 688, 860, 904, 1028, 1130, 1285, 1376, 1720, 1808, 2056, 2260, 2570, 3440, 3616, 4112, 4520, 4859, 5140, 6880, 8224, 9040, 9718, 10280, 11051, 18080, 19436, 20560, 22102, 24295, 29041, 38872, 41120, 44204, 48590, 55255, 58082, 77744, 88408, 97180, 110510, 116164, 145205, 155488, 176816, 194360, 221020, 232328, 290410, 353632, 388720, 442040, 464656, 580820, 777440, 884080, 929312, 1161640, 1248763, 1768160, 2323280, 2497526, 4646560, 4995052, 6243815, 9990104, 12487630, 19980208, 24975260, 39960416, 49950520, 99901040, 199802080]

約数ペア:

[(1, 199802080), (2, 99901040), (4, 49950520), (5, 39960416), (8, 24975260), (10, 19980208), (16, 12487630), (20, 9990104), (32, 6243815), (40, 4995052), (43, 4646560), (80, 2497526), (86, 2323280), (113, 1768160), (160, 1248763), (172, 1161640), (215, 929312), (226, 884080), (257, 777440), (344, 580820), (430, 464656), (452, 442040), (514, 388720), (565, 353632), (688, 290410), (860, 232328), (904, 221020), (1028, 194360), (1130, 176816), (1285, 155488), (1376, 145205), (1720, 116164), (1808, 110510), (2056, 97180), (2260, 88408), (2570, 77744), (3440, 58082), (3616, 55255), (4112, 48590), (4520, 44204), (4859, 41120), (5140, 38872), (6880, 29041), (8224, 24295), (9040, 22102), (9718, 20560), (10280, 19436), (11051, 18080)]