4389560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 11517120

約数和(自身を除く): 7127560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 257, 280, 305, 427, 488, 514, 610, 854, 1028, 1220, 1285, 1708, 1799, 2056, 2135, 2440, 2570, 3416, 3598, 4270, 5140, 7196, 8540, 8995, 10280, 14392, 15677, 17080, 17990, 31354, 35980, 62708, 71960, 78385, 109739, 125416, 156770, 219478, 313540, 438956, 548695, 627080, 877912, 1097390, 2194780, 4389560]

約数ペア:

[(1, 4389560), (2, 2194780), (4, 1097390), (5, 877912), (7, 627080), (8, 548695), (10, 438956), (14, 313540), (20, 219478), (28, 156770), (35, 125416), (40, 109739), (56, 78385), (61, 71960), (70, 62708), (122, 35980), (140, 31354), (244, 17990), (257, 17080), (280, 15677), (305, 14392), (427, 10280), (488, 8995), (514, 8540), (610, 7196), (854, 5140), (1028, 4270), (1220, 3598), (1285, 3416), (1708, 2570), (1799, 2440), (2056, 2135)]