31201420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1747}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 70479360

約数和(自身を除く): 39277940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1747, 1786, 3494, 3572, 4465, 6988, 8735, 8930, 17470, 17860, 33193, 34940, 66386, 82109, 132772, 164218, 165965, 328436, 331930, 410545, 663860, 821090, 1560071, 1642180, 3120142, 6240284, 7800355, 15600710, 31201420]

約数ペア:

[(1, 31201420), (2, 15600710), (4, 7800355), (5, 6240284), (10, 3120142), (19, 1642180), (20, 1560071), (38, 821090), (47, 663860), (76, 410545), (94, 331930), (95, 328436), (188, 165965), (190, 164218), (235, 132772), (380, 82109), (470, 66386), (893, 34940), (940, 33193), (1747, 17860), (1786, 17470), (3494, 8930), (3572, 8735), (4465, 6988)]