2018502400

素因数分解:

$2^8\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2269}}^1$

素因数の和:2434

約数の個数: 108

約数和(自身を含む): 5034269800

約数和(自身を除く): 3015767400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 139, 160, 200, 256, 278, 320, 400, 556, 640, 695, 800, 1112, 1280, 1390, 1600, 2224, 2269, 2780, 3200, 3475, 4448, 4538, 5560, 6400, 6950, 8896, 9076, 11120, 11345, 13900, 17792, 18152, 22240, 22690, 27800, 35584, 36304, 44480, 45380, 55600, 56725, 72608, 88960, 90760, 111200, 113450, 145216, 177920, 181520, 222400, 226900, 290432, 315391, 363040, 444800, 453800, 580864, 630782, 726080, 889600, 907600, 1261564, 1452160, 1576955, 1815200, 2523128, 2904320, 3153910, 3630400, 5046256, 6307820, 7260800, 7884775, 10092512, 12615640, 14521600, 15769550, 20185024, 25231280, 31539100, 40370048, 50462560, 63078200, 80740096, 100925120, 126156400, 201850240, 252312800, 403700480, 504625600, 1009251200, 2018502400]

約数ペア:

[(1, 2018502400), (2, 1009251200), (4, 504625600), (5, 403700480), (8, 252312800), (10, 201850240), (16, 126156400), (20, 100925120), (25, 80740096), (32, 63078200), (40, 50462560), (50, 40370048), (64, 31539100), (80, 25231280), (100, 20185024), (128, 15769550), (139, 14521600), (160, 12615640), (200, 10092512), (256, 7884775), (278, 7260800), (320, 6307820), (400, 5046256), (556, 3630400), (640, 3153910), (695, 2904320), (800, 2523128), (1112, 1815200), (1280, 1576955), (1390, 1452160), (1600, 1261564), (2224, 907600), (2269, 889600), (2780, 726080), (3200, 630782), (3475, 580864), (4448, 453800), (4538, 444800), (5560, 363040), (6400, 315391), (6950, 290432), (8896, 226900), (9076, 222400), (11120, 181520), (11345, 177920), (13900, 145216), (17792, 113450), (18152, 111200), (22240, 90760), (22690, 88960), (27800, 72608), (35584, 56725), (36304, 55600), (44480, 45380)]