211318660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{1289}}^1$

素因数の和:2476

約数の個数: 48

約数和(自身を含む): 507991680

約数和(自身を除く): 296673020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171, 1289, 2342, 2578, 4684, 5156, 5855, 6445, 8197, 9023, 11710, 12890, 16394, 18046, 23420, 25780, 32788, 36092, 40985, 45115, 81970, 90230, 163940, 180460, 1509419, 3018838, 6037676, 7547095, 10565933, 15094190, 21131866, 30188380, 42263732, 52829665, 105659330, 211318660]

約数ペア:

[(1, 211318660), (2, 105659330), (4, 52829665), (5, 42263732), (7, 30188380), (10, 21131866), (14, 15094190), (20, 10565933), (28, 7547095), (35, 6037676), (70, 3018838), (140, 1509419), (1171, 180460), (1289, 163940), (2342, 90230), (2578, 81970), (4684, 45115), (5156, 40985), (5855, 36092), (6445, 32788), (8197, 25780), (9023, 23420), (11710, 18046), (12890, 16394)]