28012270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1081

約数の個数: 64

約数和(自身を含む): 62415360

約数和(自身を除く): 34403090

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1031, 1045, 1235, 1430, 2062, 2090, 2470, 2717, 5155, 5434, 10310, 11341, 13403, 13585, 19589, 22682, 26806, 27170, 39178, 56705, 67015, 97945, 113410, 134030, 147433, 195890, 215479, 254657, 294866, 430958, 509314, 737165, 1077395, 1273285, 1474330, 2154790, 2546570, 2801227, 5602454, 14006135, 28012270]

約数ペア:

[(1, 28012270), (2, 14006135), (5, 5602454), (10, 2801227), (11, 2546570), (13, 2154790), (19, 1474330), (22, 1273285), (26, 1077395), (38, 737165), (55, 509314), (65, 430958), (95, 294866), (110, 254657), (130, 215479), (143, 195890), (190, 147433), (209, 134030), (247, 113410), (286, 97945), (418, 67015), (494, 56705), (715, 39178), (1031, 27170), (1045, 26806), (1235, 22682), (1430, 19589), (2062, 13585), (2090, 13403), (2470, 11341), (2717, 10310), (5155, 5434)]