289683860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{653}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 625281552

約数和(自身を除く): 335597692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 541, 653, 820, 1082, 1306, 2164, 2612, 2705, 3265, 5410, 6530, 10820, 13060, 22181, 26773, 44362, 53546, 88724, 107092, 110905, 133865, 221810, 267730, 353273, 443620, 535460, 706546, 1413092, 1766365, 3532730, 7065460, 14484193, 28968386, 57936772, 72420965, 144841930, 289683860]

約数ペア:

[(1, 289683860), (2, 144841930), (4, 72420965), (5, 57936772), (10, 28968386), (20, 14484193), (41, 7065460), (82, 3532730), (164, 1766365), (205, 1413092), (410, 706546), (541, 535460), (653, 443620), (820, 353273), (1082, 267730), (1306, 221810), (2164, 133865), (2612, 110905), (2705, 107092), (3265, 88724), (5410, 53546), (6530, 44362), (10820, 26773), (13060, 22181)]