268539080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 618911280

約数和(自身を除く): 350372200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 157, 244, 305, 314, 488, 610, 628, 701, 785, 1220, 1256, 1402, 1570, 2440, 2804, 3140, 3505, 5608, 6280, 7010, 9577, 14020, 19154, 28040, 38308, 42761, 47885, 76616, 85522, 95770, 110057, 171044, 191540, 213805, 220114, 342088, 383080, 427610, 440228, 550285, 855220, 880456, 1100570, 1710440, 2201140, 4402280, 6713477, 13426954, 26853908, 33567385, 53707816, 67134770, 134269540, 268539080]

約数ペア:

[(1, 268539080), (2, 134269540), (4, 67134770), (5, 53707816), (8, 33567385), (10, 26853908), (20, 13426954), (40, 6713477), (61, 4402280), (122, 2201140), (157, 1710440), (244, 1100570), (305, 880456), (314, 855220), (488, 550285), (610, 440228), (628, 427610), (701, 383080), (785, 342088), (1220, 220114), (1256, 213805), (1402, 191540), (1570, 171044), (2440, 110057), (2804, 95770), (3140, 85522), (3505, 76616), (5608, 47885), (6280, 42761), (7010, 38308), (9577, 28040), (14020, 19154)]