161857300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 385287840

約数和(自身を除く): 223430540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 269, 275, 538, 547, 550, 1076, 1094, 1100, 1345, 2188, 2690, 2735, 2959, 5380, 5470, 5918, 6017, 6725, 10940, 11836, 12034, 13450, 13675, 14795, 24068, 26900, 27350, 29590, 30085, 54700, 59180, 60170, 73975, 120340, 147143, 147950, 150425, 294286, 295900, 300850, 588572, 601700, 735715, 1471430, 1618573, 2942860, 3237146, 3678575, 6474292, 7357150, 8092865, 14714300, 16185730, 32371460, 40464325, 80928650, 161857300]

約数ペア:

[(1, 161857300), (2, 80928650), (4, 40464325), (5, 32371460), (10, 16185730), (11, 14714300), (20, 8092865), (22, 7357150), (25, 6474292), (44, 3678575), (50, 3237146), (55, 2942860), (100, 1618573), (110, 1471430), (220, 735715), (269, 601700), (275, 588572), (538, 300850), (547, 295900), (550, 294286), (1076, 150425), (1094, 147950), (1100, 147143), (1345, 120340), (2188, 73975), (2690, 60170), (2735, 59180), (2959, 54700), (5380, 30085), (5470, 29590), (5918, 27350), (6017, 26900), (6725, 24068), (10940, 14795), (11836, 13675), (12034, 13450)]