2021005066900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{1268599}}^1$

素因数の和:1268881

約数の個数: 72

約数和(自身を含む): 4459636440000

約数和(自身を除く): 2438631373100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 179, 356, 358, 445, 716, 890, 895, 1780, 1790, 2225, 3580, 4450, 4475, 8900, 8950, 15931, 17900, 31862, 63724, 79655, 159310, 318620, 398275, 796550, 1268599, 1593100, 2537198, 5074396, 6342995, 12685990, 25371980, 31714975, 63429950, 112905311, 126859900, 225810622, 227079221, 451621244, 454158442, 564526555, 908316884, 1129053110, 1135396105, 2258106220, 2270792210, 2822632775, 4541584420, 5645265550, 5676980525, 11290531100, 11353961050, 20210050669, 22707922100, 40420101338, 80840202676, 101050253345, 202100506690, 404201013380, 505251266725, 1010502533450, 2021005066900]

約数ペア:

[(1, 2021005066900), (2, 1010502533450), (4, 505251266725), (5, 404201013380), (10, 202100506690), (20, 101050253345), (25, 80840202676), (50, 40420101338), (89, 22707922100), (100, 20210050669), (178, 11353961050), (179, 11290531100), (356, 5676980525), (358, 5645265550), (445, 4541584420), (716, 2822632775), (890, 2270792210), (895, 2258106220), (1780, 1135396105), (1790, 1129053110), (2225, 908316884), (3580, 564526555), (4450, 454158442), (4475, 451621244), (8900, 227079221), (8950, 225810622), (15931, 126859900), (17900, 112905311), (31862, 63429950), (63724, 31714975), (79655, 25371980), (159310, 12685990), (318620, 6342995), (398275, 5074396), (796550, 2537198), (1268599, 1593100)]