42857080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{569}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 110808000

約数和(自身を除く): 67950920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 569, 1076, 1138, 1345, 1883, 2152, 2276, 2690, 2845, 3766, 3983, 4552, 5380, 5690, 7532, 7966, 9415, 10760, 11380, 15064, 15932, 18830, 19915, 22760, 31864, 37660, 39830, 75320, 79660, 153061, 159320, 306122, 612244, 765305, 1071427, 1224488, 1530610, 2142854, 3061220, 4285708, 5357135, 6122440, 8571416, 10714270, 21428540, 42857080]

約数ペア:

[(1, 42857080), (2, 21428540), (4, 10714270), (5, 8571416), (7, 6122440), (8, 5357135), (10, 4285708), (14, 3061220), (20, 2142854), (28, 1530610), (35, 1224488), (40, 1071427), (56, 765305), (70, 612244), (140, 306122), (269, 159320), (280, 153061), (538, 79660), (569, 75320), (1076, 39830), (1138, 37660), (1345, 31864), (1883, 22760), (2152, 19915), (2276, 18830), (2690, 15932), (2845, 15064), (3766, 11380), (3983, 10760), (4552, 9415), (5380, 7966), (5690, 7532)]