77275550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 158360400

約数和(自身を除く): 81084850

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 109, 110, 218, 275, 545, 550, 1090, 1199, 1289, 2398, 2578, 2725, 5450, 5995, 6445, 11990, 12890, 14179, 28358, 29975, 32225, 59950, 64450, 70895, 140501, 141790, 281002, 354475, 702505, 708950, 1405010, 1545511, 3091022, 3512525, 7025050, 7727555, 15455110, 38637775, 77275550]

約数ペア:

[(1, 77275550), (2, 38637775), (5, 15455110), (10, 7727555), (11, 7025050), (22, 3512525), (25, 3091022), (50, 1545511), (55, 1405010), (109, 708950), (110, 702505), (218, 354475), (275, 281002), (545, 141790), (550, 140501), (1090, 70895), (1199, 64450), (1289, 59950), (2398, 32225), (2578, 29975), (2725, 28358), (5450, 14179), (5995, 12890), (6445, 11990)]