349021820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{2909}}^1$

素因数の和:3782

約数の個数: 48

約数和(自身を含む): 838918080

約数和(自身を除く): 489896260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 857, 1714, 2909, 3428, 4285, 5818, 5999, 8570, 11636, 11998, 14545, 17140, 20363, 23996, 29090, 29995, 40726, 58180, 59990, 81452, 101815, 119980, 203630, 407260, 2493013, 4986026, 9972052, 12465065, 17451091, 24930130, 34902182, 49860260, 69804364, 87255455, 174510910, 349021820]

約数ペア:

[(1, 349021820), (2, 174510910), (4, 87255455), (5, 69804364), (7, 49860260), (10, 34902182), (14, 24930130), (20, 17451091), (28, 12465065), (35, 9972052), (70, 4986026), (140, 2493013), (857, 407260), (1714, 203630), (2909, 119980), (3428, 101815), (4285, 81452), (5818, 59990), (5999, 58180), (8570, 40726), (11636, 29995), (11998, 29090), (14545, 23996), (17140, 20363)]