788878020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1878281}}^1$

素因数の和:1878300

約数の個数: 48

約数和(自身を含む): 2524411008

約数和(自身を除く): 1735532988

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, 1878281, 3756562, 5634843, 7513124, 9391405, 11269686, 13147967, 18782810, 22539372, 26295934, 28174215, 37565620, 39443901, 52591868, 56348430, 65739835, 78887802, 112696860, 131479670, 157775604, 197219505, 262959340, 394439010, 788878020]

約数ペア:

[(1, 788878020), (2, 394439010), (3, 262959340), (4, 197219505), (5, 157775604), (6, 131479670), (7, 112696860), (10, 78887802), (12, 65739835), (14, 56348430), (15, 52591868), (20, 39443901), (21, 37565620), (28, 28174215), (30, 26295934), (35, 22539372), (42, 18782810), (60, 13147967), (70, 11269686), (84, 9391405), (105, 7513124), (140, 5634843), (210, 3756562), (420, 1878281)]