16431800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 48486480

約数和(自身を除く): 32054680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 97, 100, 110, 121, 140, 154, 175, 194, 200, 220, 242, 275, 280, 308, 350, 385, 388, 440, 484, 485, 550, 605, 616, 679, 700, 770, 776, 847, 968, 970, 1067, 1100, 1210, 1358, 1400, 1540, 1694, 1925, 1940, 2134, 2200, 2420, 2425, 2716, 3025, 3080, 3388, 3395, 3850, 3880, 4235, 4268, 4840, 4850, 5335, 5432, 6050, 6776, 6790, 7469, 7700, 8470, 8536, 9700, 10670, 11737, 12100, 13580, 14938, 15400, 16940, 16975, 19400, 21175, 21340, 23474, 24200, 26675, 27160, 29876, 33880, 33950, 37345, 42350, 42680, 46948, 53350, 58685, 59752, 67900, 74690, 82159, 84700, 93896, 106700, 117370, 135800, 149380, 164318, 169400, 186725, 213400, 234740, 293425, 298760, 328636, 373450, 410795, 469480, 586850, 657272, 746900, 821590, 1173700, 1493800, 1643180, 2053975, 2347400, 3286360, 4107950, 8215900, 16431800]

約数ペア:

[(1, 16431800), (2, 8215900), (4, 4107950), (5, 3286360), (7, 2347400), (8, 2053975), (10, 1643180), (11, 1493800), (14, 1173700), (20, 821590), (22, 746900), (25, 657272), (28, 586850), (35, 469480), (40, 410795), (44, 373450), (50, 328636), (55, 298760), (56, 293425), (70, 234740), (77, 213400), (88, 186725), (97, 169400), (100, 164318), (110, 149380), (121, 135800), (140, 117370), (154, 106700), (175, 93896), (194, 84700), (200, 82159), (220, 74690), (242, 67900), (275, 59752), (280, 58685), (308, 53350), (350, 46948), (385, 42680), (388, 42350), (440, 37345), (484, 33950), (485, 33880), (550, 29876), (605, 27160), (616, 26675), (679, 24200), (700, 23474), (770, 21340), (776, 21175), (847, 19400), (968, 16975), (970, 16940), (1067, 15400), (1100, 14938), (1210, 13580), (1358, 12100), (1400, 11737), (1540, 10670), (1694, 9700), (1925, 8536), (1940, 8470), (2134, 7700), (2200, 7469), (2420, 6790), (2425, 6776), (2716, 6050), (3025, 5432), (3080, 5335), (3388, 4850), (3395, 4840), (3850, 4268), (3880, 4235)]