561710380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{364747}}^1$

素因数の和:364774

約数の個数: 48

約数和(自身を含む): 1470663936

約数和(自身を除く): 908953556

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 364747, 729494, 1458988, 1823735, 2553229, 3647470, 4012217, 5106458, 7294940, 8024434, 10212916, 12766145, 16048868, 20061085, 25532290, 28085519, 40122170, 51064580, 56171038, 80244340, 112342076, 140427595, 280855190, 561710380]

約数ペア:

[(1, 561710380), (2, 280855190), (4, 140427595), (5, 112342076), (7, 80244340), (10, 56171038), (11, 51064580), (14, 40122170), (20, 28085519), (22, 25532290), (28, 20061085), (35, 16048868), (44, 12766145), (55, 10212916), (70, 8024434), (77, 7294940), (110, 5106458), (140, 4012217), (154, 3647470), (220, 2553229), (308, 1823735), (385, 1458988), (770, 729494), (1540, 364747)]