208624920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{809}}^1$

素因数の和:1137

約数の個数: 128

約数和(自身を含む): 718502400

約数和(自身を除く): 509877480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 307, 420, 614, 809, 840, 921, 1228, 1535, 1618, 1842, 2149, 2427, 2456, 3070, 3236, 3684, 4045, 4298, 4605, 4854, 5663, 6140, 6447, 6472, 7368, 8090, 8596, 9210, 9708, 10745, 11326, 12135, 12280, 12894, 16180, 16989, 17192, 18420, 19416, 21490, 22652, 24270, 25788, 28315, 32235, 32360, 33978, 36840, 42980, 45304, 48540, 51576, 56630, 64470, 67956, 84945, 85960, 97080, 113260, 128940, 135912, 169890, 226520, 248363, 257880, 339780, 496726, 679560, 745089, 993452, 1241815, 1490178, 1738541, 1986904, 2483630, 2980356, 3477082, 3725445, 4967260, 5215623, 5960712, 6954164, 7450890, 8692705, 9934520, 10431246, 13908328, 14901780, 17385410, 20862492, 26078115, 29803560, 34770820, 41724984, 52156230, 69541640, 104312460, 208624920]

約数ペア:

[(1, 208624920), (2, 104312460), (3, 69541640), (4, 52156230), (5, 41724984), (6, 34770820), (7, 29803560), (8, 26078115), (10, 20862492), (12, 17385410), (14, 14901780), (15, 13908328), (20, 10431246), (21, 9934520), (24, 8692705), (28, 7450890), (30, 6954164), (35, 5960712), (40, 5215623), (42, 4967260), (56, 3725445), (60, 3477082), (70, 2980356), (84, 2483630), (105, 1986904), (120, 1738541), (140, 1490178), (168, 1241815), (210, 993452), (280, 745089), (307, 679560), (420, 496726), (614, 339780), (809, 257880), (840, 248363), (921, 226520), (1228, 169890), (1535, 135912), (1618, 128940), (1842, 113260), (2149, 97080), (2427, 85960), (2456, 84945), (3070, 67956), (3236, 64470), (3684, 56630), (4045, 51576), (4298, 48540), (4605, 45304), (4854, 42980), (5663, 36840), (6140, 33978), (6447, 32360), (6472, 32235), (7368, 28315), (8090, 25788), (8596, 24270), (9210, 22652), (9708, 21490), (10745, 19416), (11326, 18420), (12135, 17192), (12280, 16989), (12894, 16180)]