7844980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 19553184

約数和(自身を除く): 11708204

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 211, 220, 260, 286, 338, 422, 572, 676, 715, 844, 845, 1055, 1430, 1690, 1859, 2110, 2321, 2743, 2860, 3380, 3718, 4220, 4642, 5486, 7436, 9284, 9295, 10972, 11605, 13715, 18590, 23210, 27430, 30173, 35659, 37180, 46420, 54860, 60346, 71318, 120692, 142636, 150865, 178295, 301730, 356590, 392249, 603460, 713180, 784498, 1568996, 1961245, 3922490, 7844980]

約数ペア:

[(1, 7844980), (2, 3922490), (4, 1961245), (5, 1568996), (10, 784498), (11, 713180), (13, 603460), (20, 392249), (22, 356590), (26, 301730), (44, 178295), (52, 150865), (55, 142636), (65, 120692), (110, 71318), (130, 60346), (143, 54860), (169, 46420), (211, 37180), (220, 35659), (260, 30173), (286, 27430), (338, 23210), (422, 18590), (572, 13715), (676, 11605), (715, 10972), (844, 9295), (845, 9284), (1055, 7436), (1430, 5486), (1690, 4642), (1859, 4220), (2110, 3718), (2321, 3380), (2743, 2860)]