80889200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{4127}}^1$

素因数の和:4159

約数の個数: 90

約数和(自身を含む): 226119456

約数和(自身を除く): 145230256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4127, 4900, 8254, 9800, 16508, 19600, 20635, 28889, 33016, 41270, 57778, 66032, 82540, 103175, 115556, 144445, 165080, 202223, 206350, 231112, 288890, 330160, 404446, 412700, 462224, 577780, 722225, 808892, 825400, 1011115, 1155560, 1444450, 1617784, 1650800, 2022230, 2311120, 2888900, 3235568, 4044460, 5055575, 5777800, 8088920, 10111150, 11555600, 16177840, 20222300, 40444600, 80889200]

約数ペア:

[(1, 80889200), (2, 40444600), (4, 20222300), (5, 16177840), (7, 11555600), (8, 10111150), (10, 8088920), (14, 5777800), (16, 5055575), (20, 4044460), (25, 3235568), (28, 2888900), (35, 2311120), (40, 2022230), (49, 1650800), (50, 1617784), (56, 1444450), (70, 1155560), (80, 1011115), (98, 825400), (100, 808892), (112, 722225), (140, 577780), (175, 462224), (196, 412700), (200, 404446), (245, 330160), (280, 288890), (350, 231112), (392, 206350), (400, 202223), (490, 165080), (560, 144445), (700, 115556), (784, 103175), (980, 82540), (1225, 66032), (1400, 57778), (1960, 41270), (2450, 33016), (2800, 28889), (3920, 20635), (4127, 19600), (4900, 16508), (8254, 9800)]