19880254000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{971}}^1$

素因数の和:1376

約数の個数: 160

約数和(自身を含む): 49920287040

約数和(自身を除く): 30040033040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 353, 400, 464, 500, 580, 706, 725, 971, 1000, 1160, 1412, 1450, 1765, 1942, 2000, 2320, 2824, 2900, 3530, 3625, 3884, 4855, 5648, 5800, 7060, 7250, 7768, 8825, 9710, 10237, 11600, 14120, 14500, 15536, 17650, 19420, 20474, 24275, 28159, 28240, 29000, 35300, 38840, 40948, 44125, 48550, 51185, 56318, 58000, 70600, 77680, 81896, 88250, 97100, 102370, 112636, 121375, 140795, 141200, 163792, 176500, 194200, 204740, 225272, 242750, 255925, 281590, 342763, 353000, 388400, 409480, 450544, 485500, 511850, 563180, 685526, 703975, 706000, 818960, 971000, 1023700, 1126360, 1279625, 1371052, 1407950, 1713815, 1942000, 2047400, 2252720, 2559250, 2742104, 2815900, 3427630, 3519875, 4094800, 5118500, 5484208, 5631800, 6855260, 7039750, 8569075, 9940127, 10237000, 11263600, 13710520, 14079500, 17138150, 19880254, 20474000, 27421040, 28159000, 34276300, 39760508, 42845375, 49700635, 56318000, 68552600, 79521016, 85690750, 99401270, 137105200, 159042032, 171381500, 198802540, 248503175, 342763000, 397605080, 497006350, 685526000, 795210160, 994012700, 1242515875, 1988025400, 2485031750, 3976050800, 4970063500, 9940127000, 19880254000]

約数ペア:

[(1, 19880254000), (2, 9940127000), (4, 4970063500), (5, 3976050800), (8, 2485031750), (10, 1988025400), (16, 1242515875), (20, 994012700), (25, 795210160), (29, 685526000), (40, 497006350), (50, 397605080), (58, 342763000), (80, 248503175), (100, 198802540), (116, 171381500), (125, 159042032), (145, 137105200), (200, 99401270), (232, 85690750), (250, 79521016), (290, 68552600), (353, 56318000), (400, 49700635), (464, 42845375), (500, 39760508), (580, 34276300), (706, 28159000), (725, 27421040), (971, 20474000), (1000, 19880254), (1160, 17138150), (1412, 14079500), (1450, 13710520), (1765, 11263600), (1942, 10237000), (2000, 9940127), (2320, 8569075), (2824, 7039750), (2900, 6855260), (3530, 5631800), (3625, 5484208), (3884, 5118500), (4855, 4094800), (5648, 3519875), (5800, 3427630), (7060, 2815900), (7250, 2742104), (7768, 2559250), (8825, 2252720), (9710, 2047400), (10237, 1942000), (11600, 1713815), (14120, 1407950), (14500, 1371052), (15536, 1279625), (17650, 1126360), (19420, 1023700), (20474, 971000), (24275, 818960), (28159, 706000), (28240, 703975), (29000, 685526), (35300, 563180), (38840, 511850), (40948, 485500), (44125, 450544), (48550, 409480), (51185, 388400), (56318, 353000), (58000, 342763), (70600, 281590), (77680, 255925), (81896, 242750), (88250, 225272), (97100, 204740), (102370, 194200), (112636, 176500), (121375, 163792), (140795, 141200)]