90491240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 239283720

約数和(自身を除く): 148792480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 137, 140, 196, 245, 274, 280, 337, 392, 490, 548, 674, 685, 959, 980, 1096, 1348, 1370, 1685, 1918, 1960, 2359, 2696, 2740, 3370, 3836, 4718, 4795, 5480, 6713, 6740, 7672, 9436, 9590, 11795, 13426, 13480, 16513, 18872, 19180, 23590, 26852, 33026, 33565, 38360, 46169, 47180, 53704, 66052, 67130, 82565, 92338, 94360, 132104, 134260, 165130, 184676, 230845, 268520, 323183, 330260, 369352, 461690, 646366, 660520, 923380, 1292732, 1615915, 1846760, 2262281, 2585464, 3231830, 4524562, 6463660, 9049124, 11311405, 12927320, 18098248, 22622810, 45245620, 90491240]

約数ペア:

[(1, 90491240), (2, 45245620), (4, 22622810), (5, 18098248), (7, 12927320), (8, 11311405), (10, 9049124), (14, 6463660), (20, 4524562), (28, 3231830), (35, 2585464), (40, 2262281), (49, 1846760), (56, 1615915), (70, 1292732), (98, 923380), (137, 660520), (140, 646366), (196, 461690), (245, 369352), (274, 330260), (280, 323183), (337, 268520), (392, 230845), (490, 184676), (548, 165130), (674, 134260), (685, 132104), (959, 94360), (980, 92338), (1096, 82565), (1348, 67130), (1370, 66052), (1685, 53704), (1918, 47180), (1960, 46169), (2359, 38360), (2696, 33565), (2740, 33026), (3370, 26852), (3836, 23590), (4718, 19180), (4795, 18872), (5480, 16513), (6713, 13480), (6740, 13426), (7672, 11795), (9436, 9590)]