920768800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:400

約数の個数: 216

約数和(自身を含む): 2655673776

約数和(自身を除く): 1734904976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 83, 98, 100, 112, 140, 160, 166, 175, 196, 200, 224, 245, 280, 283, 332, 350, 392, 400, 415, 490, 560, 566, 581, 664, 700, 784, 800, 830, 980, 1120, 1132, 1162, 1225, 1328, 1400, 1415, 1568, 1660, 1960, 1981, 2075, 2264, 2324, 2450, 2656, 2800, 2830, 2905, 3320, 3920, 3962, 4067, 4150, 4528, 4648, 4900, 5600, 5660, 5810, 6640, 7075, 7840, 7924, 8134, 8300, 9056, 9296, 9800, 9905, 11320, 11620, 13280, 13867, 14150, 14525, 15848, 16268, 16600, 18592, 19600, 19810, 20335, 22640, 23240, 23489, 27734, 28300, 29050, 31696, 32536, 33200, 39200, 39620, 40670, 45280, 46480, 46978, 49525, 55468, 56600, 58100, 63392, 65072, 66400, 69335, 79240, 81340, 92960, 93956, 99050, 101675, 110936, 113200, 116200, 117445, 130144, 138670, 158480, 162680, 164423, 187912, 198100, 203350, 221872, 226400, 232400, 234890, 277340, 316960, 325360, 328846, 346675, 375824, 396200, 406700, 443744, 464800, 469780, 554680, 587225, 650720, 657692, 693350, 751648, 792400, 813400, 822115, 939560, 1109360, 1150961, 1174450, 1315384, 1386700, 1584800, 1626800, 1644230, 1879120, 2218720, 2301922, 2348900, 2630768, 2773400, 3253600, 3288460, 3758240, 4110575, 4603844, 4697800, 5261536, 5546800, 5754805, 6576920, 8221150, 9207688, 9395600, 11093600, 11509610, 13153840, 16442300, 18415376, 18791200, 23019220, 26307680, 28774025, 32884600, 36830752, 46038440, 57548050, 65769200, 92076880, 115096100, 131538400, 184153760, 230192200, 460384400, 920768800]

約数ペア:

[(1, 920768800), (2, 460384400), (4, 230192200), (5, 184153760), (7, 131538400), (8, 115096100), (10, 92076880), (14, 65769200), (16, 57548050), (20, 46038440), (25, 36830752), (28, 32884600), (32, 28774025), (35, 26307680), (40, 23019220), (49, 18791200), (50, 18415376), (56, 16442300), (70, 13153840), (80, 11509610), (83, 11093600), (98, 9395600), (100, 9207688), (112, 8221150), (140, 6576920), (160, 5754805), (166, 5546800), (175, 5261536), (196, 4697800), (200, 4603844), (224, 4110575), (245, 3758240), (280, 3288460), (283, 3253600), (332, 2773400), (350, 2630768), (392, 2348900), (400, 2301922), (415, 2218720), (490, 1879120), (560, 1644230), (566, 1626800), (581, 1584800), (664, 1386700), (700, 1315384), (784, 1174450), (800, 1150961), (830, 1109360), (980, 939560), (1120, 822115), (1132, 813400), (1162, 792400), (1225, 751648), (1328, 693350), (1400, 657692), (1415, 650720), (1568, 587225), (1660, 554680), (1960, 469780), (1981, 464800), (2075, 443744), (2264, 406700), (2324, 396200), (2450, 375824), (2656, 346675), (2800, 328846), (2830, 325360), (2905, 316960), (3320, 277340), (3920, 234890), (3962, 232400), (4067, 226400), (4150, 221872), (4528, 203350), (4648, 198100), (4900, 187912), (5600, 164423), (5660, 162680), (5810, 158480), (6640, 138670), (7075, 130144), (7840, 117445), (7924, 116200), (8134, 113200), (8300, 110936), (9056, 101675), (9296, 99050), (9800, 93956), (9905, 92960), (11320, 81340), (11620, 79240), (13280, 69335), (13867, 66400), (14150, 65072), (14525, 63392), (15848, 58100), (16268, 56600), (16600, 55468), (18592, 49525), (19600, 46978), (19810, 46480), (20335, 45280), (22640, 40670), (23240, 39620), (23489, 39200), (27734, 33200), (28300, 32536), (29050, 31696)]