199752760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1597}}^1$

素因数の和:1720

約数の個数: 64

約数和(自身を含む): 465976800

約数和(自身を除く): 266224040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 59, 106, 118, 212, 236, 265, 295, 424, 472, 530, 590, 1060, 1180, 1597, 2120, 2360, 3127, 3194, 6254, 6388, 7985, 12508, 12776, 15635, 15970, 25016, 31270, 31940, 62540, 63880, 84641, 94223, 125080, 169282, 188446, 338564, 376892, 423205, 471115, 677128, 753784, 846410, 942230, 1692820, 1884460, 3385640, 3768920, 4993819, 9987638, 19975276, 24969095, 39950552, 49938190, 99876380, 199752760]

約数ペア:

[(1, 199752760), (2, 99876380), (4, 49938190), (5, 39950552), (8, 24969095), (10, 19975276), (20, 9987638), (40, 4993819), (53, 3768920), (59, 3385640), (106, 1884460), (118, 1692820), (212, 942230), (236, 846410), (265, 753784), (295, 677128), (424, 471115), (472, 423205), (530, 376892), (590, 338564), (1060, 188446), (1180, 169282), (1597, 125080), (2120, 94223), (2360, 84641), (3127, 63880), (3194, 62540), (6254, 31940), (6388, 31270), (7985, 25016), (12508, 15970), (12776, 15635)]