157988000

素因数分解:

$2^5\times 5^3\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 392491008

約数和(自身を除く): 234503008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 127, 160, 200, 250, 254, 311, 400, 500, 508, 622, 635, 800, 1000, 1016, 1244, 1270, 1555, 2000, 2032, 2488, 2540, 3110, 3175, 4000, 4064, 4976, 5080, 6220, 6350, 7775, 9952, 10160, 12440, 12700, 15550, 15875, 20320, 24880, 25400, 31100, 31750, 38875, 39497, 49760, 50800, 62200, 63500, 77750, 78994, 101600, 124400, 127000, 155500, 157988, 197485, 248800, 254000, 311000, 315976, 394970, 508000, 622000, 631952, 789940, 987425, 1244000, 1263904, 1579880, 1974850, 3159760, 3949700, 4937125, 6319520, 7899400, 9874250, 15798800, 19748500, 31597600, 39497000, 78994000, 157988000]

約数ペア:

[(1, 157988000), (2, 78994000), (4, 39497000), (5, 31597600), (8, 19748500), (10, 15798800), (16, 9874250), (20, 7899400), (25, 6319520), (32, 4937125), (40, 3949700), (50, 3159760), (80, 1974850), (100, 1579880), (125, 1263904), (127, 1244000), (160, 987425), (200, 789940), (250, 631952), (254, 622000), (311, 508000), (400, 394970), (500, 315976), (508, 311000), (622, 254000), (635, 248800), (800, 197485), (1000, 157988), (1016, 155500), (1244, 127000), (1270, 124400), (1555, 101600), (2000, 78994), (2032, 77750), (2488, 63500), (2540, 62200), (3110, 50800), (3175, 49760), (4000, 39497), (4064, 38875), (4976, 31750), (5080, 31100), (6220, 25400), (6350, 24880), (7775, 20320), (9952, 15875), (10160, 15550), (12440, 12700)]