390942756

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3681

約数の個数: 72

約数和(自身を含む): 1025728704

約数和(自身を除く): 634785948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 71, 86, 129, 142, 172, 213, 258, 284, 387, 426, 516, 639, 774, 852, 1278, 1548, 2556, 3053, 3557, 6106, 7114, 9159, 10671, 12212, 14228, 18318, 21342, 27477, 32013, 36636, 42684, 54954, 64026, 109908, 128052, 152951, 252547, 305902, 458853, 505094, 611804, 757641, 917706, 1010188, 1376559, 1515282, 1835412, 2272923, 2753118, 3030564, 4545846, 5506236, 9091692, 10859521, 21719042, 32578563, 43438084, 65157126, 97735689, 130314252, 195471378, 390942756]

約数ペア:

[(1, 390942756), (2, 195471378), (3, 130314252), (4, 97735689), (6, 65157126), (9, 43438084), (12, 32578563), (18, 21719042), (36, 10859521), (43, 9091692), (71, 5506236), (86, 4545846), (129, 3030564), (142, 2753118), (172, 2272923), (213, 1835412), (258, 1515282), (284, 1376559), (387, 1010188), (426, 917706), (516, 757641), (639, 611804), (774, 505094), (852, 458853), (1278, 305902), (1548, 252547), (2556, 152951), (3053, 128052), (3557, 109908), (6106, 64026), (7114, 54954), (9159, 42684), (10671, 36636), (12212, 32013), (14228, 27477), (18318, 21342)]