239711840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1559}}^1$

素因数の和:1636

約数の個数: 72

約数和(自身を含む): 585552240

約数和(自身を除く): 345840400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1559, 1922, 2480, 3118, 3844, 4805, 4960, 6236, 7688, 7795, 9610, 12472, 15376, 15590, 19220, 24944, 30752, 31180, 38440, 48329, 49888, 62360, 76880, 96658, 124720, 153760, 193316, 241645, 249440, 386632, 483290, 773264, 966580, 1498199, 1546528, 1933160, 2996398, 3866320, 5992796, 7490995, 7732640, 11985592, 14981990, 23971184, 29963980, 47942368, 59927960, 119855920, 239711840]

約数ペア:

[(1, 239711840), (2, 119855920), (4, 59927960), (5, 47942368), (8, 29963980), (10, 23971184), (16, 14981990), (20, 11985592), (31, 7732640), (32, 7490995), (40, 5992796), (62, 3866320), (80, 2996398), (124, 1933160), (155, 1546528), (160, 1498199), (248, 966580), (310, 773264), (496, 483290), (620, 386632), (961, 249440), (992, 241645), (1240, 193316), (1559, 153760), (1922, 124720), (2480, 96658), (3118, 76880), (3844, 62360), (4805, 49888), (4960, 48329), (6236, 38440), (7688, 31180), (7795, 30752), (9610, 24944), (12472, 19220), (15376, 15590)]