65170000

素因数分解:

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

素因数の和:68

約数の個数: 200

約数和(自身を含む): 193688000

約数和(自身を除く): 128518000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 80, 95, 98, 100, 112, 125, 133, 140, 152, 175, 190, 196, 200, 245, 250, 266, 280, 304, 343, 350, 380, 392, 400, 475, 490, 500, 532, 560, 625, 665, 686, 700, 760, 784, 875, 931, 950, 980, 1000, 1064, 1225, 1250, 1330, 1372, 1400, 1520, 1715, 1750, 1862, 1900, 1960, 2000, 2128, 2375, 2450, 2500, 2660, 2744, 2800, 3325, 3430, 3500, 3724, 3800, 3920, 4375, 4655, 4750, 4900, 5000, 5320, 5488, 6125, 6517, 6650, 6860, 7000, 7448, 7600, 8575, 8750, 9310, 9500, 9800, 10000, 10640, 11875, 12250, 13034, 13300, 13720, 14000, 14896, 16625, 17150, 17500, 18620, 19000, 19600, 23275, 23750, 24500, 26068, 26600, 27440, 30625, 32585, 33250, 34300, 35000, 37240, 38000, 42875, 46550, 47500, 49000, 52136, 53200, 61250, 65170, 66500, 68600, 70000, 74480, 83125, 85750, 93100, 95000, 98000, 104272, 116375, 122500, 130340, 133000, 137200, 162925, 166250, 171500, 186200, 190000, 214375, 232750, 245000, 260680, 266000, 325850, 332500, 343000, 372400, 428750, 465500, 490000, 521360, 581875, 651700, 665000, 686000, 814625, 857500, 931000, 1163750, 1303400, 1330000, 1629250, 1715000, 1862000, 2327500, 2606800, 3258500, 3430000, 4073125, 4655000, 6517000, 8146250, 9310000, 13034000, 16292500, 32585000, 65170000]

約数ペア:

[(1, 65170000), (2, 32585000), (4, 16292500), (5, 13034000), (7, 9310000), (8, 8146250), (10, 6517000), (14, 4655000), (16, 4073125), (19, 3430000), (20, 3258500), (25, 2606800), (28, 2327500), (35, 1862000), (38, 1715000), (40, 1629250), (49, 1330000), (50, 1303400), (56, 1163750), (70, 931000), (76, 857500), (80, 814625), (95, 686000), (98, 665000), (100, 651700), (112, 581875), (125, 521360), (133, 490000), (140, 465500), (152, 428750), (175, 372400), (190, 343000), (196, 332500), (200, 325850), (245, 266000), (250, 260680), (266, 245000), (280, 232750), (304, 214375), (343, 190000), (350, 186200), (380, 171500), (392, 166250), (400, 162925), (475, 137200), (490, 133000), (500, 130340), (532, 122500), (560, 116375), (625, 104272), (665, 98000), (686, 95000), (700, 93100), (760, 85750), (784, 83125), (875, 74480), (931, 70000), (950, 68600), (980, 66500), (1000, 65170), (1064, 61250), (1225, 53200), (1250, 52136), (1330, 49000), (1372, 47500), (1400, 46550), (1520, 42875), (1715, 38000), (1750, 37240), (1862, 35000), (1900, 34300), (1960, 33250), (2000, 32585), (2128, 30625), (2375, 27440), (2450, 26600), (2500, 26068), (2660, 24500), (2744, 23750), (2800, 23275), (3325, 19600), (3430, 19000), (3500, 18620), (3724, 17500), (3800, 17150), (3920, 16625), (4375, 14896), (4655, 14000), (4750, 13720), (4900, 13300), (5000, 13034), (5320, 12250), (5488, 11875), (6125, 10640), (6517, 10000), (6650, 9800), (6860, 9500), (7000, 9310), (7448, 8750), (7600, 8575)]