1868720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 5142528

約数和(自身を除く): 3273808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 71, 80, 94, 112, 140, 142, 188, 235, 280, 284, 329, 355, 376, 470, 497, 560, 568, 658, 710, 752, 940, 994, 1136, 1316, 1420, 1645, 1880, 1988, 2485, 2632, 2840, 3290, 3337, 3760, 3976, 4970, 5264, 5680, 6580, 6674, 7952, 9940, 13160, 13348, 16685, 19880, 23359, 26320, 26696, 33370, 39760, 46718, 53392, 66740, 93436, 116795, 133480, 186872, 233590, 266960, 373744, 467180, 934360, 1868720]

約数ペア:

[(1, 1868720), (2, 934360), (4, 467180), (5, 373744), (7, 266960), (8, 233590), (10, 186872), (14, 133480), (16, 116795), (20, 93436), (28, 66740), (35, 53392), (40, 46718), (47, 39760), (56, 33370), (70, 26696), (71, 26320), (80, 23359), (94, 19880), (112, 16685), (140, 13348), (142, 13160), (188, 9940), (235, 7952), (280, 6674), (284, 6580), (329, 5680), (355, 5264), (376, 4970), (470, 3976), (497, 3760), (560, 3337), (568, 3290), (658, 2840), (710, 2632), (752, 2485), (940, 1988), (994, 1880), (1136, 1645), (1316, 1420)]