317759820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{756571}}^1$

素因数の和:756590

約数の個数: 48

約数和(自身を含む): 1016832768

約数和(自身を除く): 699072948

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, 756571, 1513142, 2269713, 3026284, 3782855, 4539426, 5295997, 7565710, 9078852, 10591994, 11348565, 15131420, 15887991, 21183988, 22697130, 26479985, 31775982, 45394260, 52959970, 63551964, 79439955, 105919940, 158879910, 317759820]

約数ペア:

[(1, 317759820), (2, 158879910), (3, 105919940), (4, 79439955), (5, 63551964), (6, 52959970), (7, 45394260), (10, 31775982), (12, 26479985), (14, 22697130), (15, 21183988), (20, 15887991), (21, 15131420), (28, 11348565), (30, 10591994), (35, 9078852), (42, 7565710), (60, 5295997), (70, 4539426), (84, 3782855), (105, 3026284), (140, 2269713), (210, 1513142), (420, 756571)]