69875480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 162751680

約数和(自身を除く): 92876200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 274, 311, 328, 410, 548, 622, 685, 820, 1096, 1244, 1370, 1555, 1640, 2488, 2740, 3110, 5480, 5617, 6220, 11234, 12440, 12751, 22468, 25502, 28085, 42607, 44936, 51004, 56170, 63755, 85214, 102008, 112340, 127510, 170428, 213035, 224680, 255020, 340856, 426070, 510040, 852140, 1704280, 1746887, 3493774, 6987548, 8734435, 13975096, 17468870, 34937740, 69875480]

約数ペア:

[(1, 69875480), (2, 34937740), (4, 17468870), (5, 13975096), (8, 8734435), (10, 6987548), (20, 3493774), (40, 1746887), (41, 1704280), (82, 852140), (137, 510040), (164, 426070), (205, 340856), (274, 255020), (311, 224680), (328, 213035), (410, 170428), (548, 127510), (622, 112340), (685, 102008), (820, 85214), (1096, 63755), (1244, 56170), (1370, 51004), (1555, 44936), (1640, 42607), (2488, 28085), (2740, 25502), (3110, 22468), (5480, 12751), (5617, 12440), (6220, 11234)]