128091370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 264819456

約数和(自身を除く): 136728086

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 197, 230, 253, 257, 394, 506, 514, 985, 1265, 1285, 1970, 2167, 2530, 2570, 2827, 4334, 4531, 5654, 5911, 9062, 10835, 11822, 14135, 21670, 22655, 28270, 29555, 45310, 49841, 50629, 59110, 65021, 99682, 101258, 130042, 249205, 253145, 325105, 498410, 506290, 556919, 650210, 1113838, 1164467, 2328934, 2784595, 5569190, 5822335, 11644670, 12809137, 25618274, 64045685, 128091370]

約数ペア:

[(1, 128091370), (2, 64045685), (5, 25618274), (10, 12809137), (11, 11644670), (22, 5822335), (23, 5569190), (46, 2784595), (55, 2328934), (110, 1164467), (115, 1113838), (197, 650210), (230, 556919), (253, 506290), (257, 498410), (394, 325105), (506, 253145), (514, 249205), (985, 130042), (1265, 101258), (1285, 99682), (1970, 65021), (2167, 59110), (2530, 50629), (2570, 49841), (2827, 45310), (4334, 29555), (4531, 28270), (5654, 22655), (5911, 21670), (9062, 14135), (10835, 11822)]