219966880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{28057}}^1$

素因数の和:28086

約数の個数: 72

約数和(自身を含む): 604537668

約数和(自身を除く): 384570788

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 28057, 56114, 112228, 140285, 196399, 224456, 280570, 392798, 448912, 561140, 785596, 897824, 981995, 1122280, 1374793, 1571192, 1963990, 2244560, 2749586, 3142384, 3927980, 4489120, 5499172, 6284768, 6873965, 7855960, 10998344, 13747930, 15711920, 21996688, 27495860, 31423840, 43993376, 54991720, 109983440, 219966880]

約数ペア:

[(1, 219966880), (2, 109983440), (4, 54991720), (5, 43993376), (7, 31423840), (8, 27495860), (10, 21996688), (14, 15711920), (16, 13747930), (20, 10998344), (28, 7855960), (32, 6873965), (35, 6284768), (40, 5499172), (49, 4489120), (56, 3927980), (70, 3142384), (80, 2749586), (98, 2244560), (112, 1963990), (140, 1571192), (160, 1374793), (196, 1122280), (224, 981995), (245, 897824), (280, 785596), (392, 561140), (490, 448912), (560, 392798), (784, 280570), (980, 224456), (1120, 196399), (1568, 140285), (1960, 112228), (3920, 56114), (7840, 28057)]