2080495900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1511}}^1$

素因数の和:1820

約数の個数: 108

約数和(自身を含む): 5273943696

約数和(自身を除く): 3193447796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 281, 350, 490, 562, 700, 980, 1124, 1225, 1405, 1511, 1967, 2450, 2810, 3022, 3934, 4900, 5620, 6044, 7025, 7555, 7868, 9835, 10577, 13769, 14050, 15110, 19670, 21154, 27538, 28100, 30220, 37775, 39340, 42308, 49175, 52885, 55076, 68845, 74039, 75550, 98350, 105770, 137690, 148078, 151100, 196700, 211540, 264425, 275380, 296156, 344225, 370195, 424591, 528850, 688450, 740390, 849182, 1057700, 1376900, 1480780, 1698364, 1850975, 2122955, 2972137, 3701950, 4245910, 5944274, 7403900, 8491820, 10614775, 11888548, 14860685, 20804959, 21229550, 29721370, 41609918, 42459100, 59442740, 74303425, 83219836, 104024795, 148606850, 208049590, 297213700, 416099180, 520123975, 1040247950, 2080495900]

約数ペア:

[(1, 2080495900), (2, 1040247950), (4, 520123975), (5, 416099180), (7, 297213700), (10, 208049590), (14, 148606850), (20, 104024795), (25, 83219836), (28, 74303425), (35, 59442740), (49, 42459100), (50, 41609918), (70, 29721370), (98, 21229550), (100, 20804959), (140, 14860685), (175, 11888548), (196, 10614775), (245, 8491820), (281, 7403900), (350, 5944274), (490, 4245910), (562, 3701950), (700, 2972137), (980, 2122955), (1124, 1850975), (1225, 1698364), (1405, 1480780), (1511, 1376900), (1967, 1057700), (2450, 849182), (2810, 740390), (3022, 688450), (3934, 528850), (4900, 424591), (5620, 370195), (6044, 344225), (7025, 296156), (7555, 275380), (7868, 264425), (9835, 211540), (10577, 196700), (13769, 151100), (14050, 148078), (15110, 137690), (19670, 105770), (21154, 98350), (27538, 75550), (28100, 74039), (30220, 68845), (37775, 55076), (39340, 52885), (42308, 49175)]