1789660000

素因数分解:

$2^5\times 5^4\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2154

約数の個数: 120

約数和(自身を含む): 4507388424

約数和(自身を除く): 2717728424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 125, 160, 172, 200, 215, 250, 344, 400, 430, 500, 625, 688, 800, 860, 1000, 1075, 1250, 1376, 1720, 2000, 2081, 2150, 2500, 3440, 4000, 4162, 4300, 5000, 5375, 6880, 8324, 8600, 10000, 10405, 10750, 16648, 17200, 20000, 20810, 21500, 26875, 33296, 34400, 41620, 43000, 52025, 53750, 66592, 83240, 86000, 89483, 104050, 107500, 166480, 172000, 178966, 208100, 215000, 260125, 332960, 357932, 416200, 430000, 447415, 520250, 715864, 832400, 860000, 894830, 1040500, 1300625, 1431728, 1664800, 1789660, 2081000, 2237075, 2601250, 2863456, 3579320, 4162000, 4474150, 5202500, 7158640, 8324000, 8948300, 10405000, 11185375, 14317280, 17896600, 20810000, 22370750, 35793200, 41620000, 44741500, 55926875, 71586400, 89483000, 111853750, 178966000, 223707500, 357932000, 447415000, 894830000, 1789660000]

約数ペア:

[(1, 1789660000), (2, 894830000), (4, 447415000), (5, 357932000), (8, 223707500), (10, 178966000), (16, 111853750), (20, 89483000), (25, 71586400), (32, 55926875), (40, 44741500), (43, 41620000), (50, 35793200), (80, 22370750), (86, 20810000), (100, 17896600), (125, 14317280), (160, 11185375), (172, 10405000), (200, 8948300), (215, 8324000), (250, 7158640), (344, 5202500), (400, 4474150), (430, 4162000), (500, 3579320), (625, 2863456), (688, 2601250), (800, 2237075), (860, 2081000), (1000, 1789660), (1075, 1664800), (1250, 1431728), (1376, 1300625), (1720, 1040500), (2000, 894830), (2081, 860000), (2150, 832400), (2500, 715864), (3440, 520250), (4000, 447415), (4162, 430000), (4300, 416200), (5000, 357932), (5375, 332960), (6880, 260125), (8324, 215000), (8600, 208100), (10000, 178966), (10405, 172000), (10750, 166480), (16648, 107500), (17200, 104050), (20000, 89483), (20810, 86000), (21500, 83240), (26875, 66592), (33296, 53750), (34400, 52025), (41620, 43000)]