265045540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 563943744

約数和(自身を除く): 298898204

約数列:

[1, 2, 4, 5, 10, 20, 181, 211, 347, 362, 422, 694, 724, 844, 905, 1055, 1388, 1735, 1810, 2110, 3470, 3620, 4220, 6940, 38191, 62807, 73217, 76382, 125614, 146434, 152764, 190955, 251228, 292868, 314035, 366085, 381910, 628070, 732170, 763820, 1256140, 1464340, 13252277, 26504554, 53009108, 66261385, 132522770, 265045540]

約数ペア:

[(1, 265045540), (2, 132522770), (4, 66261385), (5, 53009108), (10, 26504554), (20, 13252277), (181, 1464340), (211, 1256140), (347, 763820), (362, 732170), (422, 628070), (694, 381910), (724, 366085), (844, 314035), (905, 292868), (1055, 251228), (1388, 190955), (1735, 152764), (1810, 146434), (2110, 125614), (3470, 76382), (3620, 73217), (4220, 62807), (6940, 38191)]