293820020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{86929}}^1$

素因数の和:86964

約数の個数: 36

約数和(自身を含む): 668143980

約数和(自身を除く): 374323960

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 86929, 173858, 347716, 434645, 869290, 1130077, 1738580, 2260154, 4520308, 5650385, 11300770, 14691001, 22601540, 29382002, 58764004, 73455005, 146910010, 293820020]

約数ペア:

[(1, 293820020), (2, 146910010), (4, 73455005), (5, 58764004), (10, 29382002), (13, 22601540), (20, 14691001), (26, 11300770), (52, 5650385), (65, 4520308), (130, 2260154), (169, 1738580), (260, 1130077), (338, 869290), (676, 434645), (845, 347716), (1690, 173858), (3380, 86929)]