142945520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{105107}}^1$

素因数の和:105137

約数の個数: 40

約数和(自身を含む): 351901584

約数和(自身を除く): 208956064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 105107, 210214, 420428, 525535, 840856, 1051070, 1681712, 1786819, 2102140, 3573638, 4204280, 7147276, 8408560, 8934095, 14294552, 17868190, 28589104, 35736380, 71472760, 142945520]

約数ペア:

[(1, 142945520), (2, 71472760), (4, 35736380), (5, 28589104), (8, 17868190), (10, 14294552), (16, 8934095), (17, 8408560), (20, 7147276), (34, 4204280), (40, 3573638), (68, 2102140), (80, 1786819), (85, 1681712), (136, 1051070), (170, 840856), (272, 525535), (340, 420428), (680, 210214), (1360, 105107)]