257830000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 200

約数和(自身を含む): 697276800

約数和(自身を除く): 439446800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 50, 59, 76, 80, 92, 95, 100, 115, 118, 125, 152, 184, 190, 200, 230, 236, 250, 295, 304, 368, 380, 400, 437, 460, 472, 475, 500, 575, 590, 625, 760, 874, 920, 944, 950, 1000, 1121, 1150, 1180, 1250, 1357, 1475, 1520, 1748, 1840, 1900, 2000, 2185, 2242, 2300, 2360, 2375, 2500, 2714, 2875, 2950, 3496, 3800, 4370, 4484, 4600, 4720, 4750, 5000, 5428, 5605, 5750, 5900, 6785, 6992, 7375, 7600, 8740, 8968, 9200, 9500, 10000, 10856, 10925, 11210, 11500, 11800, 11875, 13570, 14375, 14750, 17480, 17936, 19000, 21712, 21850, 22420, 23000, 23600, 23750, 25783, 27140, 28025, 28750, 29500, 33925, 34960, 36875, 38000, 43700, 44840, 46000, 47500, 51566, 54280, 54625, 56050, 57500, 59000, 67850, 73750, 87400, 89680, 95000, 103132, 108560, 109250, 112100, 115000, 118000, 128915, 135700, 140125, 147500, 169625, 174800, 190000, 206264, 218500, 224200, 230000, 257830, 271400, 273125, 280250, 295000, 339250, 412528, 437000, 448400, 515660, 542800, 546250, 560500, 590000, 644575, 678500, 700625, 848125, 874000, 1031320, 1092500, 1121000, 1289150, 1357000, 1401250, 1696250, 2062640, 2185000, 2242000, 2578300, 2714000, 2802500, 3222875, 3392500, 4370000, 5156600, 5605000, 6445750, 6785000, 10313200, 11210000, 12891500, 13570000, 16114375, 25783000, 32228750, 51566000, 64457500, 128915000, 257830000]

約数ペア:

[(1, 257830000), (2, 128915000), (4, 64457500), (5, 51566000), (8, 32228750), (10, 25783000), (16, 16114375), (19, 13570000), (20, 12891500), (23, 11210000), (25, 10313200), (38, 6785000), (40, 6445750), (46, 5605000), (50, 5156600), (59, 4370000), (76, 3392500), (80, 3222875), (92, 2802500), (95, 2714000), (100, 2578300), (115, 2242000), (118, 2185000), (125, 2062640), (152, 1696250), (184, 1401250), (190, 1357000), (200, 1289150), (230, 1121000), (236, 1092500), (250, 1031320), (295, 874000), (304, 848125), (368, 700625), (380, 678500), (400, 644575), (437, 590000), (460, 560500), (472, 546250), (475, 542800), (500, 515660), (575, 448400), (590, 437000), (625, 412528), (760, 339250), (874, 295000), (920, 280250), (944, 273125), (950, 271400), (1000, 257830), (1121, 230000), (1150, 224200), (1180, 218500), (1250, 206264), (1357, 190000), (1475, 174800), (1520, 169625), (1748, 147500), (1840, 140125), (1900, 135700), (2000, 128915), (2185, 118000), (2242, 115000), (2300, 112100), (2360, 109250), (2375, 108560), (2500, 103132), (2714, 95000), (2875, 89680), (2950, 87400), (3496, 73750), (3800, 67850), (4370, 59000), (4484, 57500), (4600, 56050), (4720, 54625), (4750, 54280), (5000, 51566), (5428, 47500), (5605, 46000), (5750, 44840), (5900, 43700), (6785, 38000), (6992, 36875), (7375, 34960), (7600, 33925), (8740, 29500), (8968, 28750), (9200, 28025), (9500, 27140), (10000, 25783), (10856, 23750), (10925, 23600), (11210, 23000), (11500, 22420), (11800, 21850), (11875, 21712), (13570, 19000), (14375, 17936), (14750, 17480)]