7131800

素因数分解:

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

素因数の和:253

約数の個数: 72

約数和(自身を含む): 18040140

約数和(自身を除く): 10908340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 211, 260, 325, 338, 422, 520, 650, 676, 844, 845, 1055, 1300, 1352, 1688, 1690, 2110, 2600, 2743, 3380, 4220, 4225, 5275, 5486, 6760, 8440, 8450, 10550, 10972, 13715, 16900, 21100, 21944, 27430, 33800, 35659, 42200, 54860, 68575, 71318, 109720, 137150, 142636, 178295, 274300, 285272, 356590, 548600, 713180, 891475, 1426360, 1782950, 3565900, 7131800]

約数ペア:

[(1, 7131800), (2, 3565900), (4, 1782950), (5, 1426360), (8, 891475), (10, 713180), (13, 548600), (20, 356590), (25, 285272), (26, 274300), (40, 178295), (50, 142636), (52, 137150), (65, 109720), (100, 71318), (104, 68575), (130, 54860), (169, 42200), (200, 35659), (211, 33800), (260, 27430), (325, 21944), (338, 21100), (422, 16900), (520, 13715), (650, 10972), (676, 10550), (844, 8450), (845, 8440), (1055, 6760), (1300, 5486), (1352, 5275), (1688, 4225), (1690, 4220), (2110, 3380), (2600, 2743)]