205120850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2503}}^1$

素因数の和:2675

約数の個数: 48

約数和(自身を含む): 419169600

約数和(自身を除く): 214048750

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 149, 275, 298, 550, 745, 1490, 1639, 2503, 3278, 3725, 5006, 7450, 8195, 12515, 16390, 25030, 27533, 40975, 55066, 62575, 81950, 125150, 137665, 275330, 372947, 688325, 745894, 1376650, 1864735, 3729470, 4102417, 8204834, 9323675, 18647350, 20512085, 41024170, 102560425, 205120850]

約数ペア:

[(1, 205120850), (2, 102560425), (5, 41024170), (10, 20512085), (11, 18647350), (22, 9323675), (25, 8204834), (50, 4102417), (55, 3729470), (110, 1864735), (149, 1376650), (275, 745894), (298, 688325), (550, 372947), (745, 275330), (1490, 137665), (1639, 125150), (2503, 81950), (3278, 62575), (3725, 55066), (5006, 40975), (7450, 27533), (8195, 25030), (12515, 16390)]