256146800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:296

約数の個数: 240

約数和(自身を含む): 785283072

約数和(自身を除く): 529136272

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 35, 40, 50, 52, 56, 62, 65, 70, 80, 91, 100, 104, 112, 124, 130, 140, 155, 175, 182, 200, 208, 217, 227, 248, 260, 280, 310, 325, 350, 364, 400, 403, 434, 454, 455, 496, 520, 560, 620, 650, 700, 728, 775, 806, 868, 908, 910, 1040, 1085, 1135, 1240, 1300, 1400, 1456, 1550, 1589, 1612, 1736, 1816, 1820, 2015, 2170, 2270, 2275, 2480, 2600, 2800, 2821, 2951, 3100, 3178, 3224, 3472, 3632, 3640, 4030, 4340, 4540, 4550, 5200, 5425, 5642, 5675, 5902, 6200, 6356, 6448, 7037, 7280, 7945, 8060, 8680, 9080, 9100, 10075, 10850, 11284, 11350, 11804, 12400, 12712, 14074, 14105, 14755, 15890, 16120, 17360, 18160, 18200, 20150, 20657, 21700, 22568, 22700, 23608, 25424, 28148, 28210, 29510, 31780, 32240, 35185, 36400, 39725, 40300, 41314, 43400, 45136, 45400, 47216, 49259, 56296, 56420, 59020, 63560, 70370, 70525, 73775, 79450, 80600, 82628, 86800, 90800, 91481, 98518, 103285, 112592, 112840, 118040, 127120, 140740, 141050, 147550, 158900, 161200, 165256, 175925, 182962, 197036, 206570, 225680, 236080, 246295, 281480, 282100, 295100, 317800, 330512, 351850, 365924, 394072, 413140, 457405, 492590, 516425, 562960, 564200, 590200, 635600, 640367, 703700, 731848, 788144, 826280, 914810, 985180, 1032850, 1128400, 1180400, 1231475, 1280734, 1407400, 1463696, 1652560, 1829620, 1970360, 2065700, 2287025, 2462950, 2561468, 2814800, 3201835, 3659240, 3940720, 4131400, 4574050, 4925900, 5122936, 6403670, 7318480, 8262800, 9148100, 9851800, 10245872, 12807340, 16009175, 18296200, 19703600, 25614680, 32018350, 36592400, 51229360, 64036700, 128073400, 256146800]

約数ペア:

[(1, 256146800), (2, 128073400), (4, 64036700), (5, 51229360), (7, 36592400), (8, 32018350), (10, 25614680), (13, 19703600), (14, 18296200), (16, 16009175), (20, 12807340), (25, 10245872), (26, 9851800), (28, 9148100), (31, 8262800), (35, 7318480), (40, 6403670), (50, 5122936), (52, 4925900), (56, 4574050), (62, 4131400), (65, 3940720), (70, 3659240), (80, 3201835), (91, 2814800), (100, 2561468), (104, 2462950), (112, 2287025), (124, 2065700), (130, 1970360), (140, 1829620), (155, 1652560), (175, 1463696), (182, 1407400), (200, 1280734), (208, 1231475), (217, 1180400), (227, 1128400), (248, 1032850), (260, 985180), (280, 914810), (310, 826280), (325, 788144), (350, 731848), (364, 703700), (400, 640367), (403, 635600), (434, 590200), (454, 564200), (455, 562960), (496, 516425), (520, 492590), (560, 457405), (620, 413140), (650, 394072), (700, 365924), (728, 351850), (775, 330512), (806, 317800), (868, 295100), (908, 282100), (910, 281480), (1040, 246295), (1085, 236080), (1135, 225680), (1240, 206570), (1300, 197036), (1400, 182962), (1456, 175925), (1550, 165256), (1589, 161200), (1612, 158900), (1736, 147550), (1816, 141050), (1820, 140740), (2015, 127120), (2170, 118040), (2270, 112840), (2275, 112592), (2480, 103285), (2600, 98518), (2800, 91481), (2821, 90800), (2951, 86800), (3100, 82628), (3178, 80600), (3224, 79450), (3472, 73775), (3632, 70525), (3640, 70370), (4030, 63560), (4340, 59020), (4540, 56420), (4550, 56296), (5200, 49259), (5425, 47216), (5642, 45400), (5675, 45136), (5902, 43400), (6200, 41314), (6356, 40300), (6448, 39725), (7037, 36400), (7280, 35185), (7945, 32240), (8060, 31780), (8680, 29510), (9080, 28210), (9100, 28148), (10075, 25424), (10850, 23608), (11284, 22700), (11350, 22568), (11804, 21700), (12400, 20657), (12712, 20150), (14074, 18200), (14105, 18160), (14755, 17360), (15890, 16120)]