257830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 32

約数和(自身を含む): 518400

約数和(自身を除く): 260570

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 59, 95, 115, 118, 190, 230, 295, 437, 590, 874, 1121, 1357, 2185, 2242, 2714, 4370, 5605, 6785, 11210, 13570, 25783, 51566, 128915, 257830]

約数ペア:

[(1, 257830), (2, 128915), (5, 51566), (10, 25783), (19, 13570), (23, 11210), (38, 6785), (46, 5605), (59, 4370), (95, 2714), (115, 2242), (118, 2185), (190, 1357), (230, 1121), (295, 874), (437, 590)]