77902550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1181

約数の個数: 48

約数和(自身を含む): 159364800

約数和(自身を除く): 81462250

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 139, 275, 278, 550, 695, 1019, 1390, 1529, 2038, 3058, 3475, 5095, 6950, 7645, 10190, 11209, 15290, 22418, 25475, 38225, 50950, 56045, 76450, 112090, 141641, 280225, 283282, 560450, 708205, 1416410, 1558051, 3116102, 3541025, 7082050, 7790255, 15580510, 38951275, 77902550]

約数ペア:

[(1, 77902550), (2, 38951275), (5, 15580510), (10, 7790255), (11, 7082050), (22, 3541025), (25, 3116102), (50, 1558051), (55, 1416410), (110, 708205), (139, 560450), (275, 283282), (278, 280225), (550, 141641), (695, 112090), (1019, 76450), (1390, 56045), (1529, 50950), (2038, 38225), (3058, 25475), (3475, 22418), (5095, 15290), (6950, 11209), (7645, 10190)]