289785340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{58661}}^1$

素因数の和:58702

約数の個数: 48

約数和(自身を含む): 689865120

約数和(自身を除く): 400079780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 58661, 117322, 234644, 293305, 586610, 762593, 1114559, 1173220, 1525186, 2229118, 3050372, 3812965, 4458236, 5572795, 7625930, 11145590, 14489267, 15251860, 22291180, 28978534, 57957068, 72446335, 144892670, 289785340]

約数ペア:

[(1, 289785340), (2, 144892670), (4, 72446335), (5, 57957068), (10, 28978534), (13, 22291180), (19, 15251860), (20, 14489267), (26, 11145590), (38, 7625930), (52, 5572795), (65, 4458236), (76, 3812965), (95, 3050372), (130, 2229118), (190, 1525186), (247, 1173220), (260, 1114559), (380, 762593), (494, 586610), (988, 293305), (1235, 234644), (2470, 117322), (4940, 58661)]