238721000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 128

約数和(自身を含む): 649209600

約数和(自身を除く): 410488600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 67, 70, 100, 125, 134, 140, 175, 200, 250, 268, 280, 335, 350, 469, 500, 509, 536, 670, 700, 875, 938, 1000, 1018, 1340, 1400, 1675, 1750, 1876, 2036, 2345, 2545, 2680, 3350, 3500, 3563, 3752, 4072, 4690, 5090, 6700, 7000, 7126, 8375, 9380, 10180, 11725, 12725, 13400, 14252, 16750, 17815, 18760, 20360, 23450, 25450, 28504, 33500, 34103, 35630, 46900, 50900, 58625, 63625, 67000, 68206, 71260, 89075, 93800, 101800, 117250, 127250, 136412, 142520, 170515, 178150, 234500, 238721, 254500, 272824, 341030, 356300, 445375, 469000, 477442, 509000, 682060, 712600, 852575, 890750, 954884, 1193605, 1364120, 1705150, 1781500, 1909768, 2387210, 3410300, 3563000, 4262875, 4774420, 5968025, 6820600, 8525750, 9548840, 11936050, 17051500, 23872100, 29840125, 34103000, 47744200, 59680250, 119360500, 238721000]

約数ペア:

[(1, 238721000), (2, 119360500), (4, 59680250), (5, 47744200), (7, 34103000), (8, 29840125), (10, 23872100), (14, 17051500), (20, 11936050), (25, 9548840), (28, 8525750), (35, 6820600), (40, 5968025), (50, 4774420), (56, 4262875), (67, 3563000), (70, 3410300), (100, 2387210), (125, 1909768), (134, 1781500), (140, 1705150), (175, 1364120), (200, 1193605), (250, 954884), (268, 890750), (280, 852575), (335, 712600), (350, 682060), (469, 509000), (500, 477442), (509, 469000), (536, 445375), (670, 356300), (700, 341030), (875, 272824), (938, 254500), (1000, 238721), (1018, 234500), (1340, 178150), (1400, 170515), (1675, 142520), (1750, 136412), (1876, 127250), (2036, 117250), (2345, 101800), (2545, 93800), (2680, 89075), (3350, 71260), (3500, 68206), (3563, 67000), (3752, 63625), (4072, 58625), (4690, 50900), (5090, 46900), (6700, 35630), (7000, 34103), (7126, 33500), (8375, 28504), (9380, 25450), (10180, 23450), (11725, 20360), (12725, 18760), (13400, 17815), (14252, 16750)]