71318000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:260

約数の個数: 120

約数和(自身を含む): 187617456

約数和(自身を除く): 116299456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 169, 200, 208, 211, 250, 260, 325, 338, 400, 422, 500, 520, 650, 676, 844, 845, 1000, 1040, 1055, 1300, 1352, 1625, 1688, 1690, 2000, 2110, 2600, 2704, 2743, 3250, 3376, 3380, 4220, 4225, 5200, 5275, 5486, 6500, 6760, 8440, 8450, 10550, 10972, 13000, 13520, 13715, 16880, 16900, 21100, 21125, 21944, 26000, 26375, 27430, 33800, 35659, 42200, 42250, 43888, 52750, 54860, 67600, 68575, 71318, 84400, 84500, 105500, 109720, 137150, 142636, 169000, 178295, 211000, 219440, 274300, 285272, 338000, 342875, 356590, 422000, 548600, 570544, 685750, 713180, 891475, 1097200, 1371500, 1426360, 1782950, 2743000, 2852720, 3565900, 4457375, 5486000, 7131800, 8914750, 14263600, 17829500, 35659000, 71318000]

約数ペア:

[(1, 71318000), (2, 35659000), (4, 17829500), (5, 14263600), (8, 8914750), (10, 7131800), (13, 5486000), (16, 4457375), (20, 3565900), (25, 2852720), (26, 2743000), (40, 1782950), (50, 1426360), (52, 1371500), (65, 1097200), (80, 891475), (100, 713180), (104, 685750), (125, 570544), (130, 548600), (169, 422000), (200, 356590), (208, 342875), (211, 338000), (250, 285272), (260, 274300), (325, 219440), (338, 211000), (400, 178295), (422, 169000), (500, 142636), (520, 137150), (650, 109720), (676, 105500), (844, 84500), (845, 84400), (1000, 71318), (1040, 68575), (1055, 67600), (1300, 54860), (1352, 52750), (1625, 43888), (1688, 42250), (1690, 42200), (2000, 35659), (2110, 33800), (2600, 27430), (2704, 26375), (2743, 26000), (3250, 21944), (3376, 21125), (3380, 21100), (4220, 16900), (4225, 16880), (5200, 13715), (5275, 13520), (5486, 13000), (6500, 10972), (6760, 10550), (8440, 8450)]