18990655600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{968911}}^1$

素因数の和:968943

約数の個数: 90

約数和(自身を含む): 53074092624

約数和(自身を除く): 34083437024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 19600, 968911, 1937822, 3875644, 4844555, 6782377, 7751288, 9689110, 13564754, 15502576, 19378220, 24222775, 27129508, 33911885, 38756440, 47476639, 48445550, 54259016, 67823770, 77512880, 94953278, 96891100, 108518032, 135647540, 169559425, 189906556, 193782200, 237383195, 271295080, 339118850, 379813112, 387564400, 474766390, 542590160, 678237700, 759626224, 949532780, 1186915975, 1356475400, 1899065560, 2373831950, 2712950800, 3798131120, 4747663900, 9495327800, 18990655600]

約数ペア:

[(1, 18990655600), (2, 9495327800), (4, 4747663900), (5, 3798131120), (7, 2712950800), (8, 2373831950), (10, 1899065560), (14, 1356475400), (16, 1186915975), (20, 949532780), (25, 759626224), (28, 678237700), (35, 542590160), (40, 474766390), (49, 387564400), (50, 379813112), (56, 339118850), (70, 271295080), (80, 237383195), (98, 193782200), (100, 189906556), (112, 169559425), (140, 135647540), (175, 108518032), (196, 96891100), (200, 94953278), (245, 77512880), (280, 67823770), (350, 54259016), (392, 48445550), (400, 47476639), (490, 38756440), (560, 33911885), (700, 27129508), (784, 24222775), (980, 19378220), (1225, 15502576), (1400, 13564754), (1960, 9689110), (2450, 7751288), (2800, 6782377), (3920, 4844555), (4900, 3875644), (9800, 1937822), (19600, 968911)]