54270440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{27689}}^1$

素因数の和:27714

約数の個数: 48

約数和(自身を含む): 142049700

約数和(自身を除く): 87779260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 27689, 55378, 110756, 138445, 193823, 221512, 276890, 387646, 553780, 775292, 969115, 1107560, 1356761, 1550584, 1938230, 2713522, 3876460, 5427044, 6783805, 7752920, 10854088, 13567610, 27135220, 54270440]

約数ペア:

[(1, 54270440), (2, 27135220), (4, 13567610), (5, 10854088), (7, 7752920), (8, 6783805), (10, 5427044), (14, 3876460), (20, 2713522), (28, 1938230), (35, 1550584), (40, 1356761), (49, 1107560), (56, 969115), (70, 775292), (98, 553780), (140, 387646), (196, 276890), (245, 221512), (280, 193823), (392, 138445), (490, 110756), (980, 55378), (1960, 27689)]