1285455830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{6827}}^1$

素因数の和:7844

約数の個数: 32

約数和(自身を含む): 2438415360

約数和(自身を除く): 1152959530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 991, 1982, 4955, 6827, 9910, 13654, 18829, 34135, 37658, 68270, 94145, 129713, 188290, 259426, 648565, 1297130, 6765557, 13531114, 33827785, 67655570, 128545583, 257091166, 642727915, 1285455830]

約数ペア:

[(1, 1285455830), (2, 642727915), (5, 257091166), (10, 128545583), (19, 67655570), (38, 33827785), (95, 13531114), (190, 6765557), (991, 1297130), (1982, 648565), (4955, 259426), (6827, 188290), (9910, 129713), (13654, 94145), (18829, 68270), (34135, 37658)]