1458380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 3822336

約数和(自身を除く): 2363956

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, 947, 1540, 1894, 3788, 4735, 6629, 9470, 10417, 13258, 18940, 20834, 26516, 33145, 41668, 52085, 66290, 72919, 104170, 132580, 145838, 208340, 291676, 364595, 729190, 1458380]

約数ペア:

[(1, 1458380), (2, 729190), (4, 364595), (5, 291676), (7, 208340), (10, 145838), (11, 132580), (14, 104170), (20, 72919), (22, 66290), (28, 52085), (35, 41668), (44, 33145), (55, 26516), (70, 20834), (77, 18940), (110, 13258), (140, 10417), (154, 9470), (220, 6629), (308, 4735), (385, 3788), (770, 1894), (947, 1540)]