78099420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185951}}^1$

素因数の和:185970

約数の個数: 48

約数和(自身を含む): 249919488

約数和(自身を除く): 171820068

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, 185951, 371902, 557853, 743804, 929755, 1115706, 1301657, 1859510, 2231412, 2603314, 2789265, 3719020, 3904971, 5206628, 5578530, 6508285, 7809942, 11157060, 13016570, 15619884, 19524855, 26033140, 39049710, 78099420]

約数ペア:

[(1, 78099420), (2, 39049710), (3, 26033140), (4, 19524855), (5, 15619884), (6, 13016570), (7, 11157060), (10, 7809942), (12, 6508285), (14, 5578530), (15, 5206628), (20, 3904971), (21, 3719020), (28, 2789265), (30, 2603314), (35, 2231412), (42, 1859510), (60, 1301657), (70, 1115706), (84, 929755), (105, 743804), (140, 557853), (210, 371902), (420, 185951)]