7915460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 19908504

約数和(自身を除く): 11993044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 197, 205, 245, 287, 394, 410, 490, 574, 788, 820, 980, 985, 1148, 1379, 1435, 1970, 2009, 2758, 2870, 3940, 4018, 5516, 5740, 6895, 8036, 8077, 9653, 10045, 13790, 16154, 19306, 20090, 27580, 32308, 38612, 40180, 40385, 48265, 56539, 80770, 96530, 113078, 161540, 193060, 226156, 282695, 395773, 565390, 791546, 1130780, 1583092, 1978865, 3957730, 7915460]

約数ペア:

[(1, 7915460), (2, 3957730), (4, 1978865), (5, 1583092), (7, 1130780), (10, 791546), (14, 565390), (20, 395773), (28, 282695), (35, 226156), (41, 193060), (49, 161540), (70, 113078), (82, 96530), (98, 80770), (140, 56539), (164, 48265), (196, 40385), (197, 40180), (205, 38612), (245, 32308), (287, 27580), (394, 20090), (410, 19306), (490, 16154), (574, 13790), (788, 10045), (820, 9653), (980, 8077), (985, 8036), (1148, 6895), (1379, 5740), (1435, 5516), (1970, 4018), (2009, 3940), (2758, 2870)]