202181860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 432126576

約数和(自身を除く): 229944716

約数列:

[1, 2, 4, 5, 10, 20, 113, 137, 226, 274, 452, 548, 565, 653, 685, 1130, 1306, 1370, 2260, 2612, 2740, 3265, 6530, 13060, 15481, 30962, 61924, 73789, 77405, 89461, 147578, 154810, 178922, 295156, 309620, 357844, 368945, 447305, 737890, 894610, 1475780, 1789220, 10109093, 20218186, 40436372, 50545465, 101090930, 202181860]

約数ペア:

[(1, 202181860), (2, 101090930), (4, 50545465), (5, 40436372), (10, 20218186), (20, 10109093), (113, 1789220), (137, 1475780), (226, 894610), (274, 737890), (452, 447305), (548, 368945), (565, 357844), (653, 309620), (685, 295156), (1130, 178922), (1306, 154810), (1370, 147578), (2260, 89461), (2612, 77405), (2740, 73789), (3265, 61924), (6530, 30962), (13060, 15481)]