263350360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1121

約数の個数: 128

約数和(自身を含む): 740275200

約数和(自身を除く): 476924840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 568, 710, 728, 910, 923, 994, 1019, 1420, 1820, 1846, 1988, 2038, 2485, 2840, 3640, 3692, 3976, 4076, 4615, 4970, 5095, 6461, 7133, 7384, 8152, 9230, 9940, 10190, 12922, 13247, 14266, 18460, 19880, 20380, 25844, 26494, 28532, 32305, 35665, 36920, 40760, 51688, 52988, 57064, 64610, 66235, 71330, 72349, 92729, 105976, 129220, 132470, 142660, 144698, 185458, 258440, 264940, 285320, 289396, 361745, 370916, 463645, 506443, 529880, 578792, 723490, 741832, 927290, 940537, 1012886, 1446980, 1854580, 1881074, 2025772, 2532215, 2893960, 3709160, 3762148, 4051544, 4702685, 5064430, 6583759, 7524296, 9405370, 10128860, 13167518, 18810740, 20257720, 26335036, 32918795, 37621480, 52670072, 65837590, 131675180, 263350360]

約数ペア:

[(1, 263350360), (2, 131675180), (4, 65837590), (5, 52670072), (7, 37621480), (8, 32918795), (10, 26335036), (13, 20257720), (14, 18810740), (20, 13167518), (26, 10128860), (28, 9405370), (35, 7524296), (40, 6583759), (52, 5064430), (56, 4702685), (65, 4051544), (70, 3762148), (71, 3709160), (91, 2893960), (104, 2532215), (130, 2025772), (140, 1881074), (142, 1854580), (182, 1446980), (260, 1012886), (280, 940537), (284, 927290), (355, 741832), (364, 723490), (455, 578792), (497, 529880), (520, 506443), (568, 463645), (710, 370916), (728, 361745), (910, 289396), (923, 285320), (994, 264940), (1019, 258440), (1420, 185458), (1820, 144698), (1846, 142660), (1988, 132470), (2038, 129220), (2485, 105976), (2840, 92729), (3640, 72349), (3692, 71330), (3976, 66235), (4076, 64610), (4615, 57064), (4970, 52988), (5095, 51688), (6461, 40760), (7133, 36920), (7384, 35665), (8152, 32305), (9230, 28532), (9940, 26494), (10190, 25844), (12922, 20380), (13247, 19880), (14266, 18460)]