74969020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{337}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 184491216

約数和(自身を除く): 109522196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 227, 245, 337, 454, 490, 674, 908, 980, 1135, 1348, 1589, 1685, 2270, 2359, 3178, 3370, 4540, 4718, 6356, 6740, 7945, 9436, 11123, 11795, 15890, 16513, 22246, 23590, 31780, 33026, 44492, 47180, 55615, 66052, 76499, 82565, 111230, 152998, 165130, 222460, 305996, 330260, 382495, 535493, 764990, 1070986, 1529980, 2141972, 2677465, 3748451, 5354930, 7496902, 10709860, 14993804, 18742255, 37484510, 74969020]

約数ペア:

[(1, 74969020), (2, 37484510), (4, 18742255), (5, 14993804), (7, 10709860), (10, 7496902), (14, 5354930), (20, 3748451), (28, 2677465), (35, 2141972), (49, 1529980), (70, 1070986), (98, 764990), (140, 535493), (196, 382495), (227, 330260), (245, 305996), (337, 222460), (454, 165130), (490, 152998), (674, 111230), (908, 82565), (980, 76499), (1135, 66052), (1348, 55615), (1589, 47180), (1685, 44492), (2270, 33026), (2359, 31780), (3178, 23590), (3370, 22246), (4540, 16513), (4718, 15890), (6356, 11795), (6740, 11123), (7945, 9436)]