18687200

素因数分解:

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

素因数の和:145

約数の個数: 144

約数和(自身を含む): 53996544

約数和(自身を除く): 35309344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 47, 50, 56, 70, 71, 80, 94, 100, 112, 140, 142, 160, 175, 188, 200, 224, 235, 280, 284, 329, 350, 355, 376, 400, 470, 497, 560, 568, 658, 700, 710, 752, 800, 940, 994, 1120, 1136, 1175, 1316, 1400, 1420, 1504, 1645, 1775, 1880, 1988, 2272, 2350, 2485, 2632, 2800, 2840, 3290, 3337, 3550, 3760, 3976, 4700, 4970, 5264, 5600, 5680, 6580, 6674, 7100, 7520, 7952, 8225, 9400, 9940, 10528, 11360, 12425, 13160, 13348, 14200, 15904, 16450, 16685, 18800, 19880, 23359, 24850, 26320, 26696, 28400, 32900, 33370, 37600, 39760, 46718, 49700, 52640, 53392, 56800, 65800, 66740, 79520, 83425, 93436, 99400, 106784, 116795, 131600, 133480, 166850, 186872, 198800, 233590, 263200, 266960, 333700, 373744, 397600, 467180, 533920, 583975, 667400, 747488, 934360, 1167950, 1334800, 1868720, 2335900, 2669600, 3737440, 4671800, 9343600, 18687200]

約数ペア:

[(1, 18687200), (2, 9343600), (4, 4671800), (5, 3737440), (7, 2669600), (8, 2335900), (10, 1868720), (14, 1334800), (16, 1167950), (20, 934360), (25, 747488), (28, 667400), (32, 583975), (35, 533920), (40, 467180), (47, 397600), (50, 373744), (56, 333700), (70, 266960), (71, 263200), (80, 233590), (94, 198800), (100, 186872), (112, 166850), (140, 133480), (142, 131600), (160, 116795), (175, 106784), (188, 99400), (200, 93436), (224, 83425), (235, 79520), (280, 66740), (284, 65800), (329, 56800), (350, 53392), (355, 52640), (376, 49700), (400, 46718), (470, 39760), (497, 37600), (560, 33370), (568, 32900), (658, 28400), (700, 26696), (710, 26320), (752, 24850), (800, 23359), (940, 19880), (994, 18800), (1120, 16685), (1136, 16450), (1175, 15904), (1316, 14200), (1400, 13348), (1420, 13160), (1504, 12425), (1645, 11360), (1775, 10528), (1880, 9940), (1988, 9400), (2272, 8225), (2350, 7952), (2485, 7520), (2632, 7100), (2800, 6674), (2840, 6580), (3290, 5680), (3337, 5600), (3550, 5264), (3760, 4970), (3976, 4700)]