69824020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71249}}^1$

素因数の和:71272

約数の個数: 36

約数和(自身を含む): 170572500

約数和(自身を除く): 100748480

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 71249, 142498, 284996, 356245, 498743, 712490, 997486, 1424980, 1994972, 2493715, 3491201, 4987430, 6982402, 9974860, 13964804, 17456005, 34912010, 69824020]

約数ペア:

[(1, 69824020), (2, 34912010), (4, 17456005), (5, 13964804), (7, 9974860), (10, 6982402), (14, 4987430), (20, 3491201), (28, 2493715), (35, 1994972), (49, 1424980), (70, 997486), (98, 712490), (140, 498743), (196, 356245), (245, 284996), (490, 142498), (980, 71249)]