43280900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^3\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 72

約数和(自身を含む): 102259080

約数和(自身を除く): 58978180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 197, 260, 325, 338, 394, 650, 676, 788, 845, 985, 1300, 1690, 1970, 2197, 2561, 3380, 3940, 4225, 4394, 4925, 5122, 8450, 8788, 9850, 10244, 10985, 12805, 16900, 19700, 21970, 25610, 33293, 43940, 51220, 54925, 64025, 66586, 109850, 128050, 133172, 166465, 219700, 256100, 332930, 432809, 665860, 832325, 865618, 1664650, 1731236, 2164045, 3329300, 4328090, 8656180, 10820225, 21640450, 43280900]

約数ペア:

[(1, 43280900), (2, 21640450), (4, 10820225), (5, 8656180), (10, 4328090), (13, 3329300), (20, 2164045), (25, 1731236), (26, 1664650), (50, 865618), (52, 832325), (65, 665860), (100, 432809), (130, 332930), (169, 256100), (197, 219700), (260, 166465), (325, 133172), (338, 128050), (394, 109850), (650, 66586), (676, 64025), (788, 54925), (845, 51220), (985, 43940), (1300, 33293), (1690, 25610), (1970, 21970), (2197, 19700), (2561, 16900), (3380, 12805), (3940, 10985), (4225, 10244), (4394, 9850), (4925, 8788), (5122, 8450)]