1259890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 24

約数和(自身を含む): 2400300

約数和(自身を除く): 1140410

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 349, 361, 698, 722, 1745, 1805, 3490, 3610, 6631, 13262, 33155, 66310, 125989, 251978, 629945, 1259890]

約数ペア:

[(1, 1259890), (2, 629945), (5, 251978), (10, 125989), (19, 66310), (38, 33155), (95, 13262), (190, 6631), (349, 3610), (361, 3490), (698, 1805), (722, 1745)]