408079840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{52051}}^1$

素因数の和:52080

約数の個数: 72

約数和(自身を含む): 1121512392

約数和(自身を除く): 713432552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 52051, 104102, 208204, 260255, 364357, 416408, 520510, 728714, 832816, 1041020, 1457428, 1665632, 1821785, 2082040, 2550499, 2914856, 3643570, 4164080, 5100998, 5829712, 7287140, 8328160, 10201996, 11659424, 12752495, 14574280, 20403992, 25504990, 29148560, 40807984, 51009980, 58297120, 81615968, 102019960, 204039920, 408079840]

約数ペア:

[(1, 408079840), (2, 204039920), (4, 102019960), (5, 81615968), (7, 58297120), (8, 51009980), (10, 40807984), (14, 29148560), (16, 25504990), (20, 20403992), (28, 14574280), (32, 12752495), (35, 11659424), (40, 10201996), (49, 8328160), (56, 7287140), (70, 5829712), (80, 5100998), (98, 4164080), (112, 3643570), (140, 2914856), (160, 2550499), (196, 2082040), (224, 1821785), (245, 1665632), (280, 1457428), (392, 1041020), (490, 832816), (560, 728714), (784, 520510), (980, 416408), (1120, 364357), (1568, 260255), (1960, 208204), (3920, 104102), (7840, 52051)]