220161265

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1\times {\mathrm{431}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 280464768

約数和(自身を除く): 60303503

約数列:

[1, 5, 19, 95, 283, 361, 431, 1415, 1805, 2155, 5377, 8189, 26885, 40945, 102163, 121973, 155591, 510815, 609865, 777955, 2317487, 11587435, 44032253, 220161265]

約数ペア:

[(1, 220161265), (5, 44032253), (19, 11587435), (95, 2317487), (283, 777955), (361, 609865), (431, 510815), (1415, 155591), (1805, 121973), (2155, 102163), (5377, 40945), (8189, 26885)]