256210725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{9463}}^1$

素因数の和:9514

約数の個数: 36

約数和(自身を含む): 447117216

約数和(自身を除く): 190906491

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 361, 475, 1083, 1425, 1805, 5415, 9025, 9463, 27075, 28389, 47315, 141945, 179797, 236575, 539391, 709725, 898985, 2696955, 3416143, 4494925, 10248429, 13484775, 17080715, 51242145, 85403575, 256210725]

約数ペア:

[(1, 256210725), (3, 85403575), (5, 51242145), (15, 17080715), (19, 13484775), (25, 10248429), (57, 4494925), (75, 3416143), (95, 2696955), (285, 898985), (361, 709725), (475, 539391), (1083, 236575), (1425, 179797), (1805, 141945), (5415, 47315), (9025, 28389), (9463, 27075)]