51638300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 129991680

約数和(自身を除く): 78353380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1039, 1420, 1775, 1988, 2078, 2485, 3550, 4156, 4970, 5195, 7100, 7273, 9940, 10390, 12425, 14546, 20780, 24850, 25975, 29092, 36365, 49700, 51950, 72730, 73769, 103900, 145460, 147538, 181825, 295076, 363650, 368845, 516383, 727300, 737690, 1032766, 1475380, 1844225, 2065532, 2581915, 3688450, 5163830, 7376900, 10327660, 12909575, 25819150, 51638300]

約数ペア:

[(1, 51638300), (2, 25819150), (4, 12909575), (5, 10327660), (7, 7376900), (10, 5163830), (14, 3688450), (20, 2581915), (25, 2065532), (28, 1844225), (35, 1475380), (50, 1032766), (70, 737690), (71, 727300), (100, 516383), (140, 368845), (142, 363650), (175, 295076), (284, 181825), (350, 147538), (355, 145460), (497, 103900), (700, 73769), (710, 72730), (994, 51950), (1039, 49700), (1420, 36365), (1775, 29092), (1988, 25975), (2078, 24850), (2485, 20780), (3550, 14546), (4156, 12425), (4970, 10390), (5195, 9940), (7100, 7273)]