2065480780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{228989}}^1$

素因数の和:229050

約数の個数: 48

約数和(自身を含む): 4847260320

約数和(自身を除く): 2781779540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 228989, 457978, 915956, 1144945, 2289890, 2518879, 4579780, 5037758, 9388549, 10075516, 12594395, 18777098, 25188790, 37554196, 46942745, 50377580, 93885490, 103274039, 187770980, 206548078, 413096156, 516370195, 1032740390, 2065480780]

約数ペア:

[(1, 2065480780), (2, 1032740390), (4, 516370195), (5, 413096156), (10, 206548078), (11, 187770980), (20, 103274039), (22, 93885490), (41, 50377580), (44, 46942745), (55, 37554196), (82, 25188790), (110, 18777098), (164, 12594395), (205, 10075516), (220, 9388549), (410, 5037758), (451, 4579780), (820, 2518879), (902, 2289890), (1804, 1144945), (2255, 915956), (4510, 457978), (9020, 228989)]