209189008

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 478870144

約数和(自身を除く): 269681136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 67, 112, 122, 134, 244, 268, 427, 457, 469, 488, 536, 854, 914, 938, 976, 1072, 1708, 1828, 1876, 3199, 3416, 3656, 3752, 4087, 6398, 6832, 7312, 7504, 8174, 12796, 16348, 25592, 27877, 28609, 30619, 32696, 51184, 55754, 57218, 61238, 65392, 111508, 114436, 122476, 195139, 214333, 223016, 228872, 244952, 390278, 428666, 446032, 457744, 489904, 780556, 857332, 1561112, 1714664, 1867759, 3122224, 3429328, 3735518, 7471036, 13074313, 14942072, 26148626, 29884144, 52297252, 104594504, 209189008]

約数ペア:

[(1, 209189008), (2, 104594504), (4, 52297252), (7, 29884144), (8, 26148626), (14, 14942072), (16, 13074313), (28, 7471036), (56, 3735518), (61, 3429328), (67, 3122224), (112, 1867759), (122, 1714664), (134, 1561112), (244, 857332), (268, 780556), (427, 489904), (457, 457744), (469, 446032), (488, 428666), (536, 390278), (854, 244952), (914, 228872), (938, 223016), (976, 214333), (1072, 195139), (1708, 122476), (1828, 114436), (1876, 111508), (3199, 65392), (3416, 61238), (3656, 57218), (3752, 55754), (4087, 51184), (6398, 32696), (6832, 30619), (7312, 28609), (7504, 27877), (8174, 25592), (12796, 16348)]