2019921820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{823}}^1$

素因数の和:1259

約数の個数: 96

約数和(自身を含む): 4970262528

約数和(自身を除く): 2950340708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 373, 470, 658, 746, 823, 940, 1316, 1492, 1645, 1646, 1865, 2611, 3290, 3292, 3730, 4115, 5222, 5761, 6580, 7460, 8230, 10444, 11522, 13055, 16460, 17531, 23044, 26110, 28805, 35062, 38681, 52220, 57610, 70124, 77362, 87655, 115220, 122717, 154724, 175310, 193405, 245434, 270767, 306979, 350620, 386810, 490868, 541534, 613585, 613958, 773620, 1083068, 1227170, 1227916, 1353835, 1534895, 2148853, 2454340, 2707670, 3069790, 4297706, 5415340, 6139580, 8595412, 10744265, 14428013, 21488530, 28856026, 42977060, 57712052, 72140065, 100996091, 144280130, 201992182, 288560260, 403984364, 504980455, 1009960910, 2019921820]

約数ペア:

[(1, 2019921820), (2, 1009960910), (4, 504980455), (5, 403984364), (7, 288560260), (10, 201992182), (14, 144280130), (20, 100996091), (28, 72140065), (35, 57712052), (47, 42977060), (70, 28856026), (94, 21488530), (140, 14428013), (188, 10744265), (235, 8595412), (329, 6139580), (373, 5415340), (470, 4297706), (658, 3069790), (746, 2707670), (823, 2454340), (940, 2148853), (1316, 1534895), (1492, 1353835), (1645, 1227916), (1646, 1227170), (1865, 1083068), (2611, 773620), (3290, 613958), (3292, 613585), (3730, 541534), (4115, 490868), (5222, 386810), (5761, 350620), (6580, 306979), (7460, 270767), (8230, 245434), (10444, 193405), (11522, 175310), (13055, 154724), (16460, 122717), (17531, 115220), (23044, 87655), (26110, 77362), (28805, 70124), (35062, 57610), (38681, 52220)]