211802500

素因数分解:

$2^2\times 5^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 240

約数和(自身を含む): 612304000

約数和(自身を除く): 400501500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 49, 50, 52, 65, 70, 76, 91, 95, 98, 100, 125, 130, 133, 140, 175, 182, 190, 196, 245, 247, 250, 260, 266, 325, 343, 350, 364, 380, 455, 475, 490, 494, 500, 532, 625, 637, 650, 665, 686, 700, 875, 910, 931, 950, 980, 988, 1225, 1235, 1250, 1274, 1300, 1330, 1372, 1625, 1715, 1729, 1750, 1820, 1862, 1900, 2275, 2375, 2450, 2470, 2500, 2548, 2660, 3185, 3250, 3325, 3430, 3458, 3500, 3724, 4375, 4459, 4550, 4655, 4750, 4900, 4940, 6125, 6175, 6370, 6500, 6517, 6650, 6860, 6916, 8125, 8575, 8645, 8750, 8918, 9100, 9310, 9500, 11375, 11875, 12103, 12250, 12350, 12740, 13034, 13300, 15925, 16250, 16625, 17150, 17290, 17500, 17836, 18620, 22295, 22750, 23275, 23750, 24206, 24500, 24700, 26068, 30625, 30875, 31850, 32500, 32585, 33250, 34300, 34580, 42875, 43225, 44590, 45500, 46550, 47500, 48412, 56875, 60515, 61250, 61750, 63700, 65170, 66500, 79625, 83125, 84721, 85750, 86450, 89180, 93100, 111475, 113750, 116375, 121030, 122500, 123500, 130340, 154375, 159250, 162925, 166250, 169442, 171500, 172900, 214375, 216125, 222950, 227500, 232750, 242060, 302575, 308750, 318500, 325850, 332500, 338884, 398125, 423605, 428750, 432250, 445900, 465500, 557375, 581875, 605150, 617500, 651700, 796250, 814625, 847210, 857500, 864500, 1080625, 1114750, 1163750, 1210300, 1512875, 1592500, 1629250, 1694420, 2118025, 2161250, 2229500, 2327500, 2786875, 3025750, 3258500, 4073125, 4236050, 4322500, 5573750, 6051500, 7564375, 8146250, 8472100, 10590125, 11147500, 15128750, 16292500, 21180250, 30257500, 42360500, 52950625, 105901250, 211802500]

約数ペア:

[(1, 211802500), (2, 105901250), (4, 52950625), (5, 42360500), (7, 30257500), (10, 21180250), (13, 16292500), (14, 15128750), (19, 11147500), (20, 10590125), (25, 8472100), (26, 8146250), (28, 7564375), (35, 6051500), (38, 5573750), (49, 4322500), (50, 4236050), (52, 4073125), (65, 3258500), (70, 3025750), (76, 2786875), (91, 2327500), (95, 2229500), (98, 2161250), (100, 2118025), (125, 1694420), (130, 1629250), (133, 1592500), (140, 1512875), (175, 1210300), (182, 1163750), (190, 1114750), (196, 1080625), (245, 864500), (247, 857500), (250, 847210), (260, 814625), (266, 796250), (325, 651700), (343, 617500), (350, 605150), (364, 581875), (380, 557375), (455, 465500), (475, 445900), (490, 432250), (494, 428750), (500, 423605), (532, 398125), (625, 338884), (637, 332500), (650, 325850), (665, 318500), (686, 308750), (700, 302575), (875, 242060), (910, 232750), (931, 227500), (950, 222950), (980, 216125), (988, 214375), (1225, 172900), (1235, 171500), (1250, 169442), (1274, 166250), (1300, 162925), (1330, 159250), (1372, 154375), (1625, 130340), (1715, 123500), (1729, 122500), (1750, 121030), (1820, 116375), (1862, 113750), (1900, 111475), (2275, 93100), (2375, 89180), (2450, 86450), (2470, 85750), (2500, 84721), (2548, 83125), (2660, 79625), (3185, 66500), (3250, 65170), (3325, 63700), (3430, 61750), (3458, 61250), (3500, 60515), (3724, 56875), (4375, 48412), (4459, 47500), (4550, 46550), (4655, 45500), (4750, 44590), (4900, 43225), (4940, 42875), (6125, 34580), (6175, 34300), (6370, 33250), (6500, 32585), (6517, 32500), (6650, 31850), (6860, 30875), (6916, 30625), (8125, 26068), (8575, 24700), (8645, 24500), (8750, 24206), (8918, 23750), (9100, 23275), (9310, 22750), (9500, 22295), (11375, 18620), (11875, 17836), (12103, 17500), (12250, 17290), (12350, 17150), (12740, 16625), (13034, 16250), (13300, 15925)]