81230380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52747}}^1$

素因数の和:52774

約数の個数: 48

約数和(自身を含む): 212679936

約数和(自身を除く): 131449556

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, 52747, 105494, 210988, 263735, 369229, 527470, 580217, 738458, 1054940, 1160434, 1476916, 1846145, 2320868, 2901085, 3692290, 4061519, 5802170, 7384580, 8123038, 11604340, 16246076, 20307595, 40615190, 81230380]

約数ペア:

[(1, 81230380), (2, 40615190), (4, 20307595), (5, 16246076), (7, 11604340), (10, 8123038), (11, 7384580), (14, 5802170), (20, 4061519), (22, 3692290), (28, 2901085), (35, 2320868), (44, 1846145), (55, 1476916), (70, 1160434), (77, 1054940), (110, 738458), (140, 580217), (154, 527470), (220, 369229), (308, 263735), (385, 210988), (770, 105494), (1540, 52747)]