189928620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:820

約数の個数: 144

約数和(自身を含む): 661909248

約数和(自身を除く): 471980628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 307, 315, 420, 491, 614, 630, 921, 982, 1228, 1260, 1473, 1535, 1842, 1964, 2149, 2455, 2763, 2946, 3070, 3437, 3684, 4298, 4419, 4605, 4910, 5526, 5892, 6140, 6447, 6874, 7365, 8596, 8838, 9210, 9820, 10311, 10745, 11052, 12894, 13748, 13815, 14730, 17185, 17676, 18420, 19341, 20622, 21490, 22095, 25788, 27630, 29460, 30933, 32235, 34370, 38682, 41244, 42980, 44190, 51555, 55260, 61866, 64470, 68740, 77364, 88380, 96705, 103110, 123732, 128940, 150737, 154665, 193410, 206220, 301474, 309330, 386820, 452211, 602948, 618660, 753685, 904422, 1055159, 1356633, 1507370, 1808844, 2110318, 2261055, 2713266, 3014740, 3165477, 4220636, 4522110, 5275795, 5426532, 6330954, 6783165, 9044220, 9496431, 10551590, 12661908, 13566330, 15827385, 18992862, 21103180, 27132660, 31654770, 37985724, 47482155, 63309540, 94964310, 189928620]

約数ペア:

[(1, 189928620), (2, 94964310), (3, 63309540), (4, 47482155), (5, 37985724), (6, 31654770), (7, 27132660), (9, 21103180), (10, 18992862), (12, 15827385), (14, 13566330), (15, 12661908), (18, 10551590), (20, 9496431), (21, 9044220), (28, 6783165), (30, 6330954), (35, 5426532), (36, 5275795), (42, 4522110), (45, 4220636), (60, 3165477), (63, 3014740), (70, 2713266), (84, 2261055), (90, 2110318), (105, 1808844), (126, 1507370), (140, 1356633), (180, 1055159), (210, 904422), (252, 753685), (307, 618660), (315, 602948), (420, 452211), (491, 386820), (614, 309330), (630, 301474), (921, 206220), (982, 193410), (1228, 154665), (1260, 150737), (1473, 128940), (1535, 123732), (1842, 103110), (1964, 96705), (2149, 88380), (2455, 77364), (2763, 68740), (2946, 64470), (3070, 61866), (3437, 55260), (3684, 51555), (4298, 44190), (4419, 42980), (4605, 41244), (4910, 38682), (5526, 34370), (5892, 32235), (6140, 30933), (6447, 29460), (6874, 27630), (7365, 25788), (8596, 22095), (8838, 21490), (9210, 20622), (9820, 19341), (10311, 18420), (10745, 17676), (11052, 17185), (12894, 14730), (13748, 13815)]