76065640

素因数分解:

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

素因数の和:419

約数の個数: 72

約数和(自身を含む): 200105910

約数和(自身を除く): 124040270

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 197, 245, 280, 392, 394, 490, 788, 980, 985, 1379, 1576, 1960, 1970, 2758, 3940, 5516, 6895, 7880, 9653, 11032, 13790, 19306, 27580, 38612, 38809, 48265, 55160, 77224, 77618, 96530, 155236, 193060, 194045, 271663, 310472, 386120, 388090, 543326, 776180, 1086652, 1358315, 1552360, 1901641, 2173304, 2716630, 3803282, 5433260, 7606564, 9508205, 10866520, 15213128, 19016410, 38032820, 76065640]

約数ペア:

[(1, 76065640), (2, 38032820), (4, 19016410), (5, 15213128), (7, 10866520), (8, 9508205), (10, 7606564), (14, 5433260), (20, 3803282), (28, 2716630), (35, 2173304), (40, 1901641), (49, 1552360), (56, 1358315), (70, 1086652), (98, 776180), (140, 543326), (196, 388090), (197, 386120), (245, 310472), (280, 271663), (392, 194045), (394, 193060), (490, 155236), (788, 96530), (980, 77618), (985, 77224), (1379, 55160), (1576, 48265), (1960, 38809), (1970, 38612), (2758, 27580), (3940, 19306), (5516, 13790), (6895, 11032), (7880, 9653)]