79639980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{189619}}^1$

素因数の和:189638

約数の個数: 48

約数和(自身を含む): 254849280

約数和(自身を除く): 175209300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 189619, 379238, 568857, 758476, 948095, 1137714, 1327333, 1896190, 2275428, 2654666, 2844285, 3792380, 3981999, 5309332, 5688570, 6636665, 7963998, 11377140, 13273330, 15927996, 19909995, 26546660, 39819990, 79639980]

約数ペア:

[(1, 79639980), (2, 39819990), (3, 26546660), (4, 19909995), (5, 15927996), (6, 13273330), (7, 11377140), (10, 7963998), (12, 6636665), (14, 5688570), (15, 5309332), (20, 3981999), (21, 3792380), (28, 2844285), (30, 2654666), (35, 2275428), (42, 1896190), (60, 1327333), (70, 1137714), (84, 948095), (105, 758476), (140, 568857), (210, 379238), (420, 189619)]