317944960

素因数分解:

$2^7\times 5^1\times {\mathrm{496789}}^1$

素因数の和:496808

約数の個数: 32

約数和(自身を含む): 760088700

約数和(自身を除く): 442143740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 496789, 993578, 1987156, 2483945, 3974312, 4967890, 7948624, 9935780, 15897248, 19871560, 31794496, 39743120, 63588992, 79486240, 158972480, 317944960]

約数ペア:

[(1, 317944960), (2, 158972480), (4, 79486240), (5, 63588992), (8, 39743120), (10, 31794496), (16, 19871560), (20, 15897248), (32, 9935780), (40, 7948624), (64, 4967890), (80, 3974312), (128, 2483945), (160, 1987156), (320, 993578), (640, 496789)]