172900000

素因数分解:

$2^5\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 288

約数和(自身を含む): 551214720

約数和(自身を除く): 378314720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 25, 26, 28, 32, 35, 38, 40, 50, 52, 56, 65, 70, 76, 80, 91, 95, 100, 104, 112, 125, 130, 133, 140, 152, 160, 175, 182, 190, 200, 208, 224, 247, 250, 260, 266, 280, 304, 325, 350, 364, 380, 400, 416, 455, 475, 494, 500, 520, 532, 560, 608, 625, 650, 665, 700, 728, 760, 800, 875, 910, 950, 988, 1000, 1040, 1064, 1120, 1235, 1250, 1300, 1330, 1400, 1456, 1520, 1625, 1729, 1750, 1820, 1900, 1976, 2000, 2080, 2128, 2275, 2375, 2470, 2500, 2600, 2660, 2800, 2912, 3040, 3125, 3250, 3325, 3458, 3500, 3640, 3800, 3952, 4000, 4256, 4375, 4550, 4750, 4940, 5000, 5200, 5320, 5600, 6175, 6250, 6500, 6650, 6916, 7000, 7280, 7600, 7904, 8125, 8645, 8750, 9100, 9500, 9880, 10000, 10400, 10640, 11375, 11875, 12350, 12500, 13000, 13300, 13832, 14000, 14560, 15200, 16250, 16625, 17290, 17500, 18200, 19000, 19760, 20000, 21280, 21875, 22750, 23750, 24700, 25000, 26000, 26600, 27664, 28000, 30875, 32500, 33250, 34580, 35000, 36400, 38000, 39520, 40625, 43225, 43750, 45500, 47500, 49400, 50000, 52000, 53200, 55328, 56875, 59375, 61750, 65000, 66500, 69160, 70000, 72800, 76000, 81250, 83125, 86450, 87500, 91000, 95000, 98800, 100000, 106400, 113750, 118750, 123500, 130000, 133000, 138320, 140000, 154375, 162500, 166250, 172900, 175000, 182000, 190000, 197600, 216125, 227500, 237500, 247000, 260000, 266000, 276640, 284375, 308750, 325000, 332500, 345800, 350000, 364000, 380000, 415625, 432250, 455000, 475000, 494000, 532000, 568750, 617500, 650000, 665000, 691600, 700000, 771875, 831250, 864500, 910000, 950000, 988000, 1080625, 1137500, 1235000, 1300000, 1330000, 1383200, 1543750, 1662500, 1729000, 1820000, 1900000, 2161250, 2275000, 2470000, 2660000, 3087500, 3325000, 3458000, 4322500, 4550000, 4940000, 5403125, 6175000, 6650000, 6916000, 8645000, 9100000, 10806250, 12350000, 13300000, 17290000, 21612500, 24700000, 34580000, 43225000, 86450000, 172900000]

約数ペア:

[(1, 172900000), (2, 86450000), (4, 43225000), (5, 34580000), (7, 24700000), (8, 21612500), (10, 17290000), (13, 13300000), (14, 12350000), (16, 10806250), (19, 9100000), (20, 8645000), (25, 6916000), (26, 6650000), (28, 6175000), (32, 5403125), (35, 4940000), (38, 4550000), (40, 4322500), (50, 3458000), (52, 3325000), (56, 3087500), (65, 2660000), (70, 2470000), (76, 2275000), (80, 2161250), (91, 1900000), (95, 1820000), (100, 1729000), (104, 1662500), (112, 1543750), (125, 1383200), (130, 1330000), (133, 1300000), (140, 1235000), (152, 1137500), (160, 1080625), (175, 988000), (182, 950000), (190, 910000), (200, 864500), (208, 831250), (224, 771875), (247, 700000), (250, 691600), (260, 665000), (266, 650000), (280, 617500), (304, 568750), (325, 532000), (350, 494000), (364, 475000), (380, 455000), (400, 432250), (416, 415625), (455, 380000), (475, 364000), (494, 350000), (500, 345800), (520, 332500), (532, 325000), (560, 308750), (608, 284375), (625, 276640), (650, 266000), (665, 260000), (700, 247000), (728, 237500), (760, 227500), (800, 216125), (875, 197600), (910, 190000), (950, 182000), (988, 175000), (1000, 172900), (1040, 166250), (1064, 162500), (1120, 154375), (1235, 140000), (1250, 138320), (1300, 133000), (1330, 130000), (1400, 123500), (1456, 118750), (1520, 113750), (1625, 106400), (1729, 100000), (1750, 98800), (1820, 95000), (1900, 91000), (1976, 87500), (2000, 86450), (2080, 83125), (2128, 81250), (2275, 76000), (2375, 72800), (2470, 70000), (2500, 69160), (2600, 66500), (2660, 65000), (2800, 61750), (2912, 59375), (3040, 56875), (3125, 55328), (3250, 53200), (3325, 52000), (3458, 50000), (3500, 49400), (3640, 47500), (3800, 45500), (3952, 43750), (4000, 43225), (4256, 40625), (4375, 39520), (4550, 38000), (4750, 36400), (4940, 35000), (5000, 34580), (5200, 33250), (5320, 32500), (5600, 30875), (6175, 28000), (6250, 27664), (6500, 26600), (6650, 26000), (6916, 25000), (7000, 24700), (7280, 23750), (7600, 22750), (7904, 21875), (8125, 21280), (8645, 20000), (8750, 19760), (9100, 19000), (9500, 18200), (9880, 17500), (10000, 17290), (10400, 16625), (10640, 16250), (11375, 15200), (11875, 14560), (12350, 14000), (12500, 13832), (13000, 13300)]