280893410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 592462080

約数和(自身を除く): 311568670

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 157, 305, 314, 419, 427, 610, 785, 838, 854, 1099, 1570, 2095, 2135, 2198, 2933, 4190, 4270, 5495, 5866, 9577, 10990, 14665, 19154, 25559, 29330, 47885, 51118, 65783, 67039, 95770, 127795, 131566, 134078, 178913, 255590, 328915, 335195, 357826, 460481, 657830, 670390, 894565, 920962, 1789130, 2302405, 4012763, 4604810, 8025526, 20063815, 28089341, 40127630, 56178682, 140446705, 280893410]

約数ペア:

[(1, 280893410), (2, 140446705), (5, 56178682), (7, 40127630), (10, 28089341), (14, 20063815), (35, 8025526), (61, 4604810), (70, 4012763), (122, 2302405), (157, 1789130), (305, 920962), (314, 894565), (419, 670390), (427, 657830), (610, 460481), (785, 357826), (838, 335195), (854, 328915), (1099, 255590), (1570, 178913), (2095, 134078), (2135, 131566), (2198, 127795), (2933, 95770), (4190, 67039), (4270, 65783), (5495, 51118), (5866, 47885), (9577, 29330), (10990, 25559), (14665, 19154)]