140354620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 345080736

約数和(自身を除く): 204726116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 394, 490, 727, 788, 980, 985, 1379, 1454, 1970, 2758, 2908, 3635, 3940, 5089, 5516, 6895, 7270, 9653, 10178, 13790, 14540, 19306, 20356, 25445, 27580, 35623, 38612, 48265, 50890, 71246, 96530, 101780, 142492, 143219, 178115, 193060, 286438, 356230, 572876, 712460, 716095, 1002533, 1432190, 2005066, 2864380, 4010132, 5012665, 7017731, 10025330, 14035462, 20050660, 28070924, 35088655, 70177310, 140354620]

約数ペア:

[(1, 140354620), (2, 70177310), (4, 35088655), (5, 28070924), (7, 20050660), (10, 14035462), (14, 10025330), (20, 7017731), (28, 5012665), (35, 4010132), (49, 2864380), (70, 2005066), (98, 1432190), (140, 1002533), (196, 716095), (197, 712460), (245, 572876), (394, 356230), (490, 286438), (727, 193060), (788, 178115), (980, 143219), (985, 142492), (1379, 101780), (1454, 96530), (1970, 71246), (2758, 50890), (2908, 48265), (3635, 38612), (3940, 35623), (5089, 27580), (5516, 25445), (6895, 20356), (7270, 19306), (9653, 14540), (10178, 13790)]