501213440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 216

約数和(自身を含む): 1490223168

約数和(自身を除く): 989009728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 169, 182, 208, 224, 256, 260, 280, 320, 331, 338, 364, 416, 448, 455, 520, 560, 640, 662, 676, 728, 832, 845, 896, 910, 1040, 1120, 1183, 1280, 1324, 1352, 1456, 1655, 1664, 1690, 1792, 1820, 2080, 2240, 2317, 2366, 2648, 2704, 2912, 3310, 3328, 3380, 3640, 4160, 4303, 4480, 4634, 4732, 5296, 5408, 5824, 5915, 6620, 6760, 7280, 8320, 8606, 8960, 9268, 9464, 10592, 10816, 11585, 11648, 11830, 13240, 13520, 14560, 16640, 17212, 18536, 18928, 21184, 21515, 21632, 23170, 23296, 23660, 26480, 27040, 29120, 30121, 34424, 37072, 37856, 42368, 43030, 43264, 46340, 47320, 52960, 54080, 55939, 58240, 60242, 68848, 74144, 75712, 84736, 86060, 92680, 94640, 105920, 108160, 111878, 116480, 120484, 137696, 148288, 150605, 151424, 172120, 185360, 189280, 211840, 216320, 223756, 240968, 275392, 279695, 296576, 301210, 302848, 344240, 370720, 378560, 391573, 423680, 447512, 481936, 550784, 559390, 593152, 602420, 688480, 741440, 757120, 783146, 895024, 963872, 1101568, 1118780, 1204840, 1376960, 1482880, 1514240, 1566292, 1790048, 1927744, 1957865, 2237560, 2409680, 2753920, 2965760, 3132584, 3580096, 3855488, 3915730, 4475120, 4819360, 5507840, 6265168, 7160192, 7710976, 7831460, 8950240, 9638720, 12530336, 14320384, 15662920, 17900480, 19277440, 25060672, 31325840, 35800960, 38554880, 50121344, 62651680, 71601920, 100242688, 125303360, 250606720, 501213440]

約数ペア:

[(1, 501213440), (2, 250606720), (4, 125303360), (5, 100242688), (7, 71601920), (8, 62651680), (10, 50121344), (13, 38554880), (14, 35800960), (16, 31325840), (20, 25060672), (26, 19277440), (28, 17900480), (32, 15662920), (35, 14320384), (40, 12530336), (52, 9638720), (56, 8950240), (64, 7831460), (65, 7710976), (70, 7160192), (80, 6265168), (91, 5507840), (104, 4819360), (112, 4475120), (128, 3915730), (130, 3855488), (140, 3580096), (160, 3132584), (169, 2965760), (182, 2753920), (208, 2409680), (224, 2237560), (256, 1957865), (260, 1927744), (280, 1790048), (320, 1566292), (331, 1514240), (338, 1482880), (364, 1376960), (416, 1204840), (448, 1118780), (455, 1101568), (520, 963872), (560, 895024), (640, 783146), (662, 757120), (676, 741440), (728, 688480), (832, 602420), (845, 593152), (896, 559390), (910, 550784), (1040, 481936), (1120, 447512), (1183, 423680), (1280, 391573), (1324, 378560), (1352, 370720), (1456, 344240), (1655, 302848), (1664, 301210), (1690, 296576), (1792, 279695), (1820, 275392), (2080, 240968), (2240, 223756), (2317, 216320), (2366, 211840), (2648, 189280), (2704, 185360), (2912, 172120), (3310, 151424), (3328, 150605), (3380, 148288), (3640, 137696), (4160, 120484), (4303, 116480), (4480, 111878), (4634, 108160), (4732, 105920), (5296, 94640), (5408, 92680), (5824, 86060), (5915, 84736), (6620, 75712), (6760, 74144), (7280, 68848), (8320, 60242), (8606, 58240), (8960, 55939), (9268, 54080), (9464, 52960), (10592, 47320), (10816, 46340), (11585, 43264), (11648, 43030), (11830, 42368), (13240, 37856), (13520, 37072), (14560, 34424), (16640, 30121), (17212, 29120), (18536, 27040), (18928, 26480), (21184, 23660), (21515, 23296), (21632, 23170)]