160999220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 344736000

約数和(自身を除く): 183736780

約数列:

[1, 2, 4, 5, 10, 20, 89, 151, 178, 302, 356, 445, 599, 604, 755, 890, 1198, 1510, 1780, 2396, 2995, 3020, 5990, 11980, 13439, 26878, 53311, 53756, 67195, 90449, 106622, 134390, 180898, 213244, 266555, 268780, 361796, 452245, 533110, 904490, 1066220, 1808980, 8049961, 16099922, 32199844, 40249805, 80499610, 160999220]

約数ペア:

[(1, 160999220), (2, 80499610), (4, 40249805), (5, 32199844), (10, 16099922), (20, 8049961), (89, 1808980), (151, 1066220), (178, 904490), (302, 533110), (356, 452245), (445, 361796), (599, 268780), (604, 266555), (755, 213244), (890, 180898), (1198, 134390), (1510, 106622), (1780, 90449), (2396, 67195), (2995, 53756), (3020, 53311), (5990, 26878), (11980, 13439)]