128084110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{419}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 288852480

約数和(自身を除く): 160768370

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 397, 419, 770, 794, 838, 1985, 2095, 2779, 2933, 3970, 4190, 4367, 4609, 5558, 5866, 8734, 9218, 13895, 14665, 21835, 23045, 27790, 29330, 30569, 32263, 43670, 46090, 61138, 64526, 152845, 161315, 166343, 305690, 322630, 332686, 831715, 1164401, 1663430, 1829773, 2328802, 3659546, 5822005, 9148865, 11644010, 12808411, 18297730, 25616822, 64042055, 128084110]

約数ペア:

[(1, 128084110), (2, 64042055), (5, 25616822), (7, 18297730), (10, 12808411), (11, 11644010), (14, 9148865), (22, 5822005), (35, 3659546), (55, 2328802), (70, 1829773), (77, 1663430), (110, 1164401), (154, 831715), (385, 332686), (397, 322630), (419, 305690), (770, 166343), (794, 161315), (838, 152845), (1985, 64526), (2095, 61138), (2779, 46090), (2933, 43670), (3970, 32263), (4190, 30569), (4367, 29330), (4609, 27790), (5558, 23045), (5866, 21835), (8734, 14665), (9218, 13895)]