289614920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1034339}}^1$

素因数の和:1034357

約数の個数: 32

約数和(自身を含む): 744724800

約数和(自身を除く): 455109880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1034339, 2068678, 4137356, 5171695, 7240373, 8274712, 10343390, 14480746, 20686780, 28961492, 36201865, 41373560, 57922984, 72403730, 144807460, 289614920]

約数ペア:

[(1, 289614920), (2, 144807460), (4, 72403730), (5, 57922984), (7, 41373560), (8, 36201865), (10, 28961492), (14, 20686780), (20, 14480746), (28, 10343390), (35, 8274712), (40, 7240373), (56, 5171695), (70, 4137356), (140, 2068678), (280, 1034339)]