159798520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2897}}^1$

素因数の和:3112

約数の個数: 64

約数和(自身を含む): 413138880

約数和(自身を除く): 253340360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 2897, 3940, 5516, 5794, 6895, 7880, 11032, 11588, 13790, 14485, 20279, 23176, 27580, 28970, 40558, 55160, 57940, 81116, 101395, 115880, 162232, 202790, 405580, 570709, 811160, 1141418, 2282836, 2853545, 3994963, 4565672, 5707090, 7989926, 11414180, 15979852, 19974815, 22828360, 31959704, 39949630, 79899260, 159798520]

約数ペア:

[(1, 159798520), (2, 79899260), (4, 39949630), (5, 31959704), (7, 22828360), (8, 19974815), (10, 15979852), (14, 11414180), (20, 7989926), (28, 5707090), (35, 4565672), (40, 3994963), (56, 2853545), (70, 2282836), (140, 1141418), (197, 811160), (280, 570709), (394, 405580), (788, 202790), (985, 162232), (1379, 115880), (1576, 101395), (1970, 81116), (2758, 57940), (2897, 55160), (3940, 40558), (5516, 28970), (5794, 27580), (6895, 23176), (7880, 20279), (11032, 14485), (11588, 13790)]