139457840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1158

約数の個数: 80

約数和(自身を含む): 341335296

約数和(自身を除く): 201877456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1061, 1240, 1643, 2120, 2122, 2480, 3286, 4240, 4244, 5305, 6572, 8215, 8488, 10610, 13144, 16430, 16976, 21220, 26288, 32860, 32891, 42440, 56233, 65720, 65782, 84880, 112466, 131440, 131564, 164455, 224932, 263128, 281165, 328910, 449864, 526256, 562330, 657820, 899728, 1124660, 1315640, 1743223, 2249320, 2631280, 3486446, 4498640, 6972892, 8716115, 13945784, 17432230, 27891568, 34864460, 69728920, 139457840]

約数ペア:

[(1, 139457840), (2, 69728920), (4, 34864460), (5, 27891568), (8, 17432230), (10, 13945784), (16, 8716115), (20, 6972892), (31, 4498640), (40, 3486446), (53, 2631280), (62, 2249320), (80, 1743223), (106, 1315640), (124, 1124660), (155, 899728), (212, 657820), (248, 562330), (265, 526256), (310, 449864), (424, 328910), (496, 281165), (530, 263128), (620, 224932), (848, 164455), (1060, 131564), (1061, 131440), (1240, 112466), (1643, 84880), (2120, 65782), (2122, 65720), (2480, 56233), (3286, 42440), (4240, 32891), (4244, 32860), (5305, 26288), (6572, 21220), (8215, 16976), (8488, 16430), (10610, 13144)]