19791346400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{8641}}^1$

素因数の和:9077

約数の個数: 144

約数和(自身を含む): 55359269280

約数和(自身を除く): 35567922880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 409, 560, 700, 800, 818, 1120, 1400, 1636, 2045, 2800, 2863, 3272, 4090, 5600, 5726, 6544, 8180, 8641, 10225, 11452, 13088, 14315, 16360, 17282, 20450, 22904, 28630, 32720, 34564, 40900, 43205, 45808, 57260, 60487, 65440, 69128, 71575, 81800, 86410, 91616, 114520, 120974, 138256, 143150, 163600, 172820, 216025, 229040, 241948, 276512, 286300, 302435, 327200, 345640, 432050, 458080, 483896, 572600, 604870, 691280, 864100, 967792, 1145200, 1209740, 1382560, 1512175, 1728200, 1935584, 2290400, 2419480, 3024350, 3456400, 3534169, 4838960, 6048700, 6912800, 7068338, 9677920, 12097400, 14136676, 17670845, 24194800, 24739183, 28273352, 35341690, 48389600, 49478366, 56546704, 70683380, 88354225, 98956732, 113093408, 123695915, 141366760, 176708450, 197913464, 247391830, 282733520, 353416900, 395826928, 494783660, 565467040, 618479575, 706833800, 791653856, 989567320, 1236959150, 1413667600, 1979134640, 2473918300, 2827335200, 3958269280, 4947836600, 9895673200, 19791346400]

約数ペア:

[(1, 19791346400), (2, 9895673200), (4, 4947836600), (5, 3958269280), (7, 2827335200), (8, 2473918300), (10, 1979134640), (14, 1413667600), (16, 1236959150), (20, 989567320), (25, 791653856), (28, 706833800), (32, 618479575), (35, 565467040), (40, 494783660), (50, 395826928), (56, 353416900), (70, 282733520), (80, 247391830), (100, 197913464), (112, 176708450), (140, 141366760), (160, 123695915), (175, 113093408), (200, 98956732), (224, 88354225), (280, 70683380), (350, 56546704), (400, 49478366), (409, 48389600), (560, 35341690), (700, 28273352), (800, 24739183), (818, 24194800), (1120, 17670845), (1400, 14136676), (1636, 12097400), (2045, 9677920), (2800, 7068338), (2863, 6912800), (3272, 6048700), (4090, 4838960), (5600, 3534169), (5726, 3456400), (6544, 3024350), (8180, 2419480), (8641, 2290400), (10225, 1935584), (11452, 1728200), (13088, 1512175), (14315, 1382560), (16360, 1209740), (17282, 1145200), (20450, 967792), (22904, 864100), (28630, 691280), (32720, 604870), (34564, 572600), (40900, 483896), (43205, 458080), (45808, 432050), (57260, 345640), (60487, 327200), (65440, 302435), (69128, 286300), (71575, 276512), (81800, 241948), (86410, 229040), (91616, 216025), (114520, 172820), (120974, 163600), (138256, 143150)]