2986900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 7874496

約数和(自身を除く): 4887596

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 251, 340, 350, 425, 476, 502, 595, 700, 850, 1004, 1190, 1255, 1700, 1757, 2380, 2510, 2975, 3514, 4267, 5020, 5950, 6275, 7028, 8534, 8785, 11900, 12550, 17068, 17570, 21335, 25100, 29869, 35140, 42670, 43925, 59738, 85340, 87850, 106675, 119476, 149345, 175700, 213350, 298690, 426700, 597380, 746725, 1493450, 2986900]

約数ペア:

[(1, 2986900), (2, 1493450), (4, 746725), (5, 597380), (7, 426700), (10, 298690), (14, 213350), (17, 175700), (20, 149345), (25, 119476), (28, 106675), (34, 87850), (35, 85340), (50, 59738), (68, 43925), (70, 42670), (85, 35140), (100, 29869), (119, 25100), (140, 21335), (170, 17570), (175, 17068), (238, 12550), (251, 11900), (340, 8785), (350, 8534), (425, 7028), (476, 6275), (502, 5950), (595, 5020), (700, 4267), (850, 3514), (1004, 2975), (1190, 2510), (1255, 2380), (1700, 1757)]