490443520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 1356300288

約数和(自身を除く): 865856768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 256, 280, 320, 431, 448, 508, 560, 635, 640, 862, 889, 896, 1016, 1120, 1270, 1280, 1724, 1778, 1792, 2032, 2155, 2240, 2540, 3017, 3448, 3556, 4064, 4310, 4445, 4480, 5080, 6034, 6896, 7112, 8128, 8620, 8890, 8960, 10160, 12068, 13792, 14224, 15085, 16256, 17240, 17780, 20320, 24136, 27584, 28448, 30170, 32512, 34480, 35560, 40640, 48272, 54737, 55168, 56896, 60340, 68960, 71120, 81280, 96544, 109474, 110336, 113792, 120680, 137920, 142240, 162560, 193088, 218948, 227584, 241360, 273685, 275840, 284480, 383159, 386176, 437896, 482720, 547370, 551680, 568960, 766318, 772352, 875792, 965440, 1094740, 1137920, 1532636, 1751584, 1915795, 1930880, 2189480, 3065272, 3503168, 3831590, 3861760, 4378960, 6130544, 7006336, 7663180, 8757920, 12261088, 14012672, 15326360, 17515840, 24522176, 30652720, 35031680, 49044352, 61305440, 70063360, 98088704, 122610880, 245221760, 490443520]

約数ペア:

[(1, 490443520), (2, 245221760), (4, 122610880), (5, 98088704), (7, 70063360), (8, 61305440), (10, 49044352), (14, 35031680), (16, 30652720), (20, 24522176), (28, 17515840), (32, 15326360), (35, 14012672), (40, 12261088), (56, 8757920), (64, 7663180), (70, 7006336), (80, 6130544), (112, 4378960), (127, 3861760), (128, 3831590), (140, 3503168), (160, 3065272), (224, 2189480), (254, 1930880), (256, 1915795), (280, 1751584), (320, 1532636), (431, 1137920), (448, 1094740), (508, 965440), (560, 875792), (635, 772352), (640, 766318), (862, 568960), (889, 551680), (896, 547370), (1016, 482720), (1120, 437896), (1270, 386176), (1280, 383159), (1724, 284480), (1778, 275840), (1792, 273685), (2032, 241360), (2155, 227584), (2240, 218948), (2540, 193088), (3017, 162560), (3448, 142240), (3556, 137920), (4064, 120680), (4310, 113792), (4445, 110336), (4480, 109474), (5080, 96544), (6034, 81280), (6896, 71120), (7112, 68960), (8128, 60340), (8620, 56896), (8890, 55168), (8960, 54737), (10160, 48272), (12068, 40640), (13792, 35560), (14224, 34480), (15085, 32512), (16256, 30170), (17240, 28448), (17780, 27584), (20320, 24136)]