42205240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 120683520

約数和(自身を除く): 78478280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 193, 220, 280, 284, 308, 355, 385, 386, 440, 497, 568, 616, 710, 770, 772, 781, 965, 994, 1351, 1420, 1540, 1544, 1562, 1930, 1988, 2123, 2485, 2702, 2840, 3080, 3124, 3860, 3905, 3976, 4246, 4970, 5404, 5467, 6248, 6755, 7720, 7810, 8492, 9940, 10615, 10808, 10934, 13510, 13703, 14861, 15620, 16984, 19880, 21230, 21868, 27020, 27335, 27406, 29722, 31240, 42460, 43736, 54040, 54670, 54812, 59444, 68515, 74305, 84920, 95921, 109340, 109624, 118888, 137030, 148610, 150733, 191842, 218680, 274060, 297220, 301466, 383684, 479605, 548120, 594440, 602932, 753665, 767368, 959210, 1055131, 1205864, 1507330, 1918420, 2110262, 3014660, 3836840, 4220524, 5275655, 6029320, 8441048, 10551310, 21102620, 42205240]

約数ペア:

[(1, 42205240), (2, 21102620), (4, 10551310), (5, 8441048), (7, 6029320), (8, 5275655), (10, 4220524), (11, 3836840), (14, 3014660), (20, 2110262), (22, 1918420), (28, 1507330), (35, 1205864), (40, 1055131), (44, 959210), (55, 767368), (56, 753665), (70, 602932), (71, 594440), (77, 548120), (88, 479605), (110, 383684), (140, 301466), (142, 297220), (154, 274060), (193, 218680), (220, 191842), (280, 150733), (284, 148610), (308, 137030), (355, 118888), (385, 109624), (386, 109340), (440, 95921), (497, 84920), (568, 74305), (616, 68515), (710, 59444), (770, 54812), (772, 54670), (781, 54040), (965, 43736), (994, 42460), (1351, 31240), (1420, 29722), (1540, 27406), (1544, 27335), (1562, 27020), (1930, 21868), (1988, 21230), (2123, 19880), (2485, 16984), (2702, 15620), (2840, 14861), (3080, 13703), (3124, 13510), (3860, 10934), (3905, 10808), (3976, 10615), (4246, 9940), (4970, 8492), (5404, 7810), (5467, 7720), (6248, 6755)]