67671940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 166622400

約数和(自身を除く): 98950460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 347, 398, 490, 694, 796, 980, 995, 1388, 1393, 1735, 1990, 2429, 2786, 3470, 3980, 4858, 5572, 6940, 6965, 9716, 9751, 12145, 13930, 17003, 19502, 24290, 27860, 34006, 39004, 48580, 48755, 68012, 69053, 85015, 97510, 138106, 170030, 195020, 276212, 340060, 345265, 483371, 690530, 966742, 1381060, 1933484, 2416855, 3383597, 4833710, 6767194, 9667420, 13534388, 16917985, 33835970, 67671940]

約数ペア:

[(1, 67671940), (2, 33835970), (4, 16917985), (5, 13534388), (7, 9667420), (10, 6767194), (14, 4833710), (20, 3383597), (28, 2416855), (35, 1933484), (49, 1381060), (70, 966742), (98, 690530), (140, 483371), (196, 345265), (199, 340060), (245, 276212), (347, 195020), (398, 170030), (490, 138106), (694, 97510), (796, 85015), (980, 69053), (995, 68012), (1388, 48755), (1393, 48580), (1735, 39004), (1990, 34006), (2429, 27860), (2786, 24290), (3470, 19502), (3980, 17003), (4858, 13930), (5572, 12145), (6940, 9751), (6965, 9716)]