996847420

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1\times {\mathrm{907}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 2114259840

約数和(自身を除く): 1117412420

約数列:

[1, 2, 4, 5, 10, 20, 179, 307, 358, 614, 716, 895, 907, 1228, 1535, 1790, 1814, 3070, 3580, 3628, 4535, 6140, 9070, 18140, 54953, 109906, 162353, 219812, 274765, 278449, 324706, 549530, 556898, 649412, 811765, 1099060, 1113796, 1392245, 1623530, 2784490, 3247060, 5568980, 49842371, 99684742, 199369484, 249211855, 498423710, 996847420]

約数ペア:

[(1, 996847420), (2, 498423710), (4, 249211855), (5, 199369484), (10, 99684742), (20, 49842371), (179, 5568980), (307, 3247060), (358, 2784490), (614, 1623530), (716, 1392245), (895, 1113796), (907, 1099060), (1228, 811765), (1535, 649412), (1790, 556898), (1814, 549530), (3070, 324706), (3580, 278449), (3628, 274765), (4535, 219812), (6140, 162353), (9070, 109906), (18140, 54953)]