17980493860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{44579}}^1$

素因数の和:44705

約数の個数: 96

約数和(自身を含む): 44816808960

約数和(自身を除く): 26836315100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 67, 70, 86, 134, 140, 172, 215, 268, 301, 335, 430, 469, 602, 670, 860, 938, 1204, 1340, 1505, 1876, 2345, 2881, 3010, 4690, 5762, 6020, 9380, 11524, 14405, 20167, 28810, 40334, 44579, 57620, 80668, 89158, 100835, 178316, 201670, 222895, 312053, 403340, 445790, 624106, 891580, 1248212, 1560265, 1916897, 2986793, 3120530, 3833794, 5973586, 6241060, 7667588, 9584485, 11947172, 13418279, 14933965, 19168970, 20907551, 26836558, 29867930, 38337940, 41815102, 53673116, 59735860, 67091395, 83630204, 104537755, 128432099, 134182790, 209075510, 256864198, 268365580, 418151020, 513728396, 642160495, 899024693, 1284320990, 1798049386, 2568641980, 3596098772, 4495123465, 8990246930, 17980493860]

約数ペア:

[(1, 17980493860), (2, 8990246930), (4, 4495123465), (5, 3596098772), (7, 2568641980), (10, 1798049386), (14, 1284320990), (20, 899024693), (28, 642160495), (35, 513728396), (43, 418151020), (67, 268365580), (70, 256864198), (86, 209075510), (134, 134182790), (140, 128432099), (172, 104537755), (215, 83630204), (268, 67091395), (301, 59735860), (335, 53673116), (430, 41815102), (469, 38337940), (602, 29867930), (670, 26836558), (860, 20907551), (938, 19168970), (1204, 14933965), (1340, 13418279), (1505, 11947172), (1876, 9584485), (2345, 7667588), (2881, 6241060), (3010, 5973586), (4690, 3833794), (5762, 3120530), (6020, 2986793), (9380, 1916897), (11524, 1560265), (14405, 1248212), (20167, 891580), (28810, 624106), (40334, 445790), (44579, 403340), (57620, 312053), (80668, 222895), (89158, 201670), (100835, 178316)]