218491000

素因数分解:

$2^3\times 5^3\times 7^5\times {\mathrm{13}}^1$

素因数の和:69

約数の個数: 192

約数和(自身を含む): 642358080

約数和(自身を除く): 423867080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 125, 130, 140, 175, 182, 196, 200, 245, 250, 260, 280, 325, 343, 350, 364, 392, 455, 490, 500, 520, 637, 650, 686, 700, 728, 875, 910, 980, 1000, 1225, 1274, 1300, 1372, 1400, 1625, 1715, 1750, 1820, 1960, 2275, 2401, 2450, 2548, 2600, 2744, 3185, 3250, 3430, 3500, 3640, 4459, 4550, 4802, 4900, 5096, 6125, 6370, 6500, 6860, 7000, 8575, 8918, 9100, 9604, 9800, 11375, 12005, 12250, 12740, 13000, 13720, 15925, 16807, 17150, 17836, 18200, 19208, 22295, 22750, 24010, 24500, 25480, 31213, 31850, 33614, 34300, 35672, 42875, 44590, 45500, 48020, 49000, 60025, 62426, 63700, 67228, 68600, 79625, 84035, 85750, 89180, 91000, 96040, 111475, 120050, 124852, 127400, 134456, 156065, 159250, 168070, 171500, 178360, 218491, 222950, 240100, 249704, 300125, 312130, 318500, 336140, 343000, 420175, 436982, 445900, 480200, 557375, 600250, 624260, 637000, 672280, 780325, 840350, 873964, 891800, 1092455, 1114750, 1200500, 1248520, 1560650, 1680700, 1747928, 2100875, 2184910, 2229500, 2401000, 3121300, 3361400, 3901625, 4201750, 4369820, 4459000, 5462275, 6242600, 7803250, 8403500, 8739640, 10924550, 15606500, 16807000, 21849100, 27311375, 31213000, 43698200, 54622750, 109245500, 218491000]

約数ペア:

[(1, 218491000), (2, 109245500), (4, 54622750), (5, 43698200), (7, 31213000), (8, 27311375), (10, 21849100), (13, 16807000), (14, 15606500), (20, 10924550), (25, 8739640), (26, 8403500), (28, 7803250), (35, 6242600), (40, 5462275), (49, 4459000), (50, 4369820), (52, 4201750), (56, 3901625), (65, 3361400), (70, 3121300), (91, 2401000), (98, 2229500), (100, 2184910), (104, 2100875), (125, 1747928), (130, 1680700), (140, 1560650), (175, 1248520), (182, 1200500), (196, 1114750), (200, 1092455), (245, 891800), (250, 873964), (260, 840350), (280, 780325), (325, 672280), (343, 637000), (350, 624260), (364, 600250), (392, 557375), (455, 480200), (490, 445900), (500, 436982), (520, 420175), (637, 343000), (650, 336140), (686, 318500), (700, 312130), (728, 300125), (875, 249704), (910, 240100), (980, 222950), (1000, 218491), (1225, 178360), (1274, 171500), (1300, 168070), (1372, 159250), (1400, 156065), (1625, 134456), (1715, 127400), (1750, 124852), (1820, 120050), (1960, 111475), (2275, 96040), (2401, 91000), (2450, 89180), (2548, 85750), (2600, 84035), (2744, 79625), (3185, 68600), (3250, 67228), (3430, 63700), (3500, 62426), (3640, 60025), (4459, 49000), (4550, 48020), (4802, 45500), (4900, 44590), (5096, 42875), (6125, 35672), (6370, 34300), (6500, 33614), (6860, 31850), (7000, 31213), (8575, 25480), (8918, 24500), (9100, 24010), (9604, 22750), (9800, 22295), (11375, 19208), (12005, 18200), (12250, 17836), (12740, 17150), (13000, 16807), (13720, 15925)]