890235220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{104243}}^1$

素因数の和:104320

約数の個数: 48

約数和(自身を含む): 2171611008

約数和(自身を除く): 1281375788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 104243, 208486, 416972, 521215, 729701, 1042430, 1459402, 2084860, 2918804, 3648505, 6358823, 7297010, 12717646, 14594020, 25435292, 31794115, 44511761, 63588230, 89023522, 127176460, 178047044, 222558805, 445117610, 890235220]

約数ペア:

[(1, 890235220), (2, 445117610), (4, 222558805), (5, 178047044), (7, 127176460), (10, 89023522), (14, 63588230), (20, 44511761), (28, 31794115), (35, 25435292), (61, 14594020), (70, 12717646), (122, 7297010), (140, 6358823), (244, 3648505), (305, 2918804), (427, 2084860), (610, 1459402), (854, 1042430), (1220, 729701), (1708, 521215), (2135, 416972), (4270, 208486), (8540, 104243)]