4938760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 11819520

約数和(自身を除く): 6880760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 71, 74, 94, 142, 148, 185, 188, 235, 284, 296, 355, 370, 376, 470, 568, 710, 740, 940, 1420, 1480, 1739, 1880, 2627, 2840, 3337, 3478, 5254, 6674, 6956, 8695, 10508, 13135, 13348, 13912, 16685, 17390, 21016, 26270, 26696, 33370, 34780, 52540, 66740, 69560, 105080, 123469, 133480, 246938, 493876, 617345, 987752, 1234690, 2469380, 4938760]

約数ペア:

[(1, 4938760), (2, 2469380), (4, 1234690), (5, 987752), (8, 617345), (10, 493876), (20, 246938), (37, 133480), (40, 123469), (47, 105080), (71, 69560), (74, 66740), (94, 52540), (142, 34780), (148, 33370), (185, 26696), (188, 26270), (235, 21016), (284, 17390), (296, 16685), (355, 13912), (370, 13348), (376, 13135), (470, 10508), (568, 8695), (710, 6956), (740, 6674), (940, 5254), (1420, 3478), (1480, 3337), (1739, 2840), (1880, 2627)]