20194644400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{27847}}^1$

素因数の和:27916

約数の個数: 180

約数和(自身を含む): 57966336048

約数和(自身を除く): 37771691648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 49, 50, 56, 70, 74, 80, 98, 100, 112, 140, 148, 175, 185, 196, 200, 245, 259, 280, 296, 350, 370, 392, 400, 490, 518, 560, 592, 700, 740, 784, 925, 980, 1036, 1225, 1295, 1400, 1480, 1813, 1850, 1960, 2072, 2450, 2590, 2800, 2960, 3626, 3700, 3920, 4144, 4900, 5180, 6475, 7252, 7400, 9065, 9800, 10360, 12950, 14504, 14800, 18130, 19600, 20720, 25900, 27847, 29008, 36260, 45325, 51800, 55694, 72520, 90650, 103600, 111388, 139235, 145040, 181300, 194929, 222776, 278470, 362600, 389858, 445552, 556940, 696175, 725200, 779716, 974645, 1030339, 1113880, 1364503, 1392350, 1559432, 1949290, 2060678, 2227760, 2729006, 2784700, 3118864, 3898580, 4121356, 4873225, 5151695, 5458012, 5569400, 6822515, 7212373, 7797160, 8242712, 9746450, 10303390, 10916024, 11138800, 13645030, 14424746, 15594320, 16485424, 19492900, 20606780, 21832048, 25758475, 27290060, 28849492, 34112575, 36061865, 38985800, 41213560, 50486611, 51516950, 54580120, 57698984, 68225150, 72123730, 77971600, 82427120, 100973222, 103033900, 109160240, 115397968, 136450300, 144247460, 180309325, 201946444, 206067800, 252433055, 272900600, 288494920, 360618650, 403892888, 412135600, 504866110, 545801200, 576989840, 721237300, 807785776, 1009732220, 1262165275, 1442474600, 2019464440, 2524330550, 2884949200, 4038928880, 5048661100, 10097322200, 20194644400]

約数ペア:

[(1, 20194644400), (2, 10097322200), (4, 5048661100), (5, 4038928880), (7, 2884949200), (8, 2524330550), (10, 2019464440), (14, 1442474600), (16, 1262165275), (20, 1009732220), (25, 807785776), (28, 721237300), (35, 576989840), (37, 545801200), (40, 504866110), (49, 412135600), (50, 403892888), (56, 360618650), (70, 288494920), (74, 272900600), (80, 252433055), (98, 206067800), (100, 201946444), (112, 180309325), (140, 144247460), (148, 136450300), (175, 115397968), (185, 109160240), (196, 103033900), (200, 100973222), (245, 82427120), (259, 77971600), (280, 72123730), (296, 68225150), (350, 57698984), (370, 54580120), (392, 51516950), (400, 50486611), (490, 41213560), (518, 38985800), (560, 36061865), (592, 34112575), (700, 28849492), (740, 27290060), (784, 25758475), (925, 21832048), (980, 20606780), (1036, 19492900), (1225, 16485424), (1295, 15594320), (1400, 14424746), (1480, 13645030), (1813, 11138800), (1850, 10916024), (1960, 10303390), (2072, 9746450), (2450, 8242712), (2590, 7797160), (2800, 7212373), (2960, 6822515), (3626, 5569400), (3700, 5458012), (3920, 5151695), (4144, 4873225), (4900, 4121356), (5180, 3898580), (6475, 3118864), (7252, 2784700), (7400, 2729006), (9065, 2227760), (9800, 2060678), (10360, 1949290), (12950, 1559432), (14504, 1392350), (14800, 1364503), (18130, 1113880), (19600, 1030339), (20720, 974645), (25900, 779716), (27847, 725200), (29008, 696175), (36260, 556940), (45325, 445552), (51800, 389858), (55694, 362600), (72520, 278470), (90650, 222776), (103600, 194929), (111388, 181300), (139235, 145040)]