20188974550

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:730

約数の個数: 96

約数和(自身を含む): 38978755200

約数和(自身を除く): 18789780650

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 109, 218, 235, 269, 293, 470, 538, 545, 586, 1090, 1175, 1345, 1465, 2350, 2690, 2725, 2930, 5123, 5450, 6725, 7325, 10246, 12643, 13450, 13771, 14650, 25286, 25615, 27542, 29321, 31937, 51230, 58642, 63215, 63874, 68855, 78817, 126430, 128075, 137710, 146605, 157634, 159685, 256150, 293210, 316075, 319370, 344275, 394085, 632150, 688550, 733025, 788170, 798425, 1378087, 1466050, 1501039, 1596850, 1970425, 2756174, 3002078, 3704399, 3940850, 6890435, 7408798, 7505195, 8591053, 13780870, 15010390, 17182106, 18521995, 34452175, 37043990, 37525975, 42955265, 68904350, 75051950, 85910530, 92609975, 185219950, 214776325, 403779491, 429552650, 807558982, 2018897455, 4037794910, 10094487275, 20188974550]

約数ペア:

[(1, 20188974550), (2, 10094487275), (5, 4037794910), (10, 2018897455), (25, 807558982), (47, 429552650), (50, 403779491), (94, 214776325), (109, 185219950), (218, 92609975), (235, 85910530), (269, 75051950), (293, 68904350), (470, 42955265), (538, 37525975), (545, 37043990), (586, 34452175), (1090, 18521995), (1175, 17182106), (1345, 15010390), (1465, 13780870), (2350, 8591053), (2690, 7505195), (2725, 7408798), (2930, 6890435), (5123, 3940850), (5450, 3704399), (6725, 3002078), (7325, 2756174), (10246, 1970425), (12643, 1596850), (13450, 1501039), (13771, 1466050), (14650, 1378087), (25286, 798425), (25615, 788170), (27542, 733025), (29321, 688550), (31937, 632150), (51230, 394085), (58642, 344275), (63215, 319370), (63874, 316075), (68855, 293210), (78817, 256150), (126430, 159685), (128075, 157634), (137710, 146605)]