1678840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 4062600

約数和(自身を除く): 2383760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 2209, 3572, 4418, 4465, 7144, 8836, 8930, 11045, 17672, 17860, 22090, 35720, 41971, 44180, 83942, 88360, 167884, 209855, 335768, 419710, 839420, 1678840]

約数ペア:

[(1, 1678840), (2, 839420), (4, 419710), (5, 335768), (8, 209855), (10, 167884), (19, 88360), (20, 83942), (38, 44180), (40, 41971), (47, 35720), (76, 22090), (94, 17860), (95, 17672), (152, 11045), (188, 8930), (190, 8836), (235, 7144), (376, 4465), (380, 4418), (470, 3572), (760, 2209), (893, 1880), (940, 1786)]