399491200

素因数分解:

$2^7\times 5^2\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1134

約数の個数: 96

約数和(自身を含む): 995650560

約数和(自身を除く): 596159360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 320, 400, 508, 635, 640, 800, 983, 1016, 1270, 1600, 1966, 2032, 2540, 3175, 3200, 3932, 4064, 4915, 5080, 6350, 7864, 8128, 9830, 10160, 12700, 15728, 16256, 19660, 20320, 24575, 25400, 31456, 39320, 40640, 49150, 50800, 62912, 78640, 81280, 98300, 101600, 124841, 125824, 157280, 196600, 203200, 249682, 314560, 393200, 406400, 499364, 624205, 629120, 786400, 998728, 1248410, 1572800, 1997456, 2496820, 3121025, 3145600, 3994912, 4993640, 6242050, 7989824, 9987280, 12484100, 15979648, 19974560, 24968200, 39949120, 49936400, 79898240, 99872800, 199745600, 399491200]

約数ペア:

[(1, 399491200), (2, 199745600), (4, 99872800), (5, 79898240), (8, 49936400), (10, 39949120), (16, 24968200), (20, 19974560), (25, 15979648), (32, 12484100), (40, 9987280), (50, 7989824), (64, 6242050), (80, 4993640), (100, 3994912), (127, 3145600), (128, 3121025), (160, 2496820), (200, 1997456), (254, 1572800), (320, 1248410), (400, 998728), (508, 786400), (635, 629120), (640, 624205), (800, 499364), (983, 406400), (1016, 393200), (1270, 314560), (1600, 249682), (1966, 203200), (2032, 196600), (2540, 157280), (3175, 125824), (3200, 124841), (3932, 101600), (4064, 98300), (4915, 81280), (5080, 78640), (6350, 62912), (7864, 50800), (8128, 49150), (9830, 40640), (10160, 39320), (12700, 31456), (15728, 25400), (16256, 24575), (19660, 20320)]