1738891420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{9007}}^1$

素因数の和:9227

約数の個数: 72

約数和(自身を含む): 4269900096

約数和(自身を除く): 2531008676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 394, 490, 788, 980, 985, 1379, 1970, 2758, 3940, 5516, 6895, 9007, 9653, 13790, 18014, 19306, 27580, 36028, 38612, 45035, 48265, 63049, 90070, 96530, 126098, 180140, 193060, 252196, 315245, 441343, 630490, 882686, 1260980, 1765372, 1774379, 2206715, 3548758, 4413430, 7097516, 8826860, 8871895, 12420653, 17743790, 24841306, 35487580, 49682612, 62103265, 86944571, 124206530, 173889142, 248413060, 347778284, 434722855, 869445710, 1738891420]

約数ペア:

[(1, 1738891420), (2, 869445710), (4, 434722855), (5, 347778284), (7, 248413060), (10, 173889142), (14, 124206530), (20, 86944571), (28, 62103265), (35, 49682612), (49, 35487580), (70, 24841306), (98, 17743790), (140, 12420653), (196, 8871895), (197, 8826860), (245, 7097516), (394, 4413430), (490, 3548758), (788, 2206715), (980, 1774379), (985, 1765372), (1379, 1260980), (1970, 882686), (2758, 630490), (3940, 441343), (5516, 315245), (6895, 252196), (9007, 193060), (9653, 180140), (13790, 126098), (18014, 96530), (19306, 90070), (27580, 63049), (36028, 48265), (38612, 45035)]