259620970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 555190272

約数和(自身を除く): 295569302

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 181, 217, 310, 362, 434, 661, 905, 1085, 1267, 1322, 1810, 2170, 2534, 3305, 4627, 5611, 6335, 6610, 9254, 11222, 12670, 20491, 23135, 28055, 39277, 40982, 46270, 56110, 78554, 102455, 119641, 143437, 196385, 204910, 239282, 286874, 392770, 598205, 717185, 837487, 1196410, 1434370, 1674974, 3708871, 4187435, 7417742, 8374870, 18544355, 25962097, 37088710, 51924194, 129810485, 259620970]

約数ペア:

[(1, 259620970), (2, 129810485), (5, 51924194), (7, 37088710), (10, 25962097), (14, 18544355), (31, 8374870), (35, 7417742), (62, 4187435), (70, 3708871), (155, 1674974), (181, 1434370), (217, 1196410), (310, 837487), (362, 717185), (434, 598205), (661, 392770), (905, 286874), (1085, 239282), (1267, 204910), (1322, 196385), (1810, 143437), (2170, 119641), (2534, 102455), (3305, 78554), (4627, 56110), (5611, 46270), (6335, 40982), (6610, 39277), (9254, 28055), (11222, 23135), (12670, 20491)]