71591660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1901}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 172549440

約数和(自身を除く): 100957780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1883, 1901, 2690, 3766, 3802, 5380, 7532, 7604, 9415, 9505, 13307, 18830, 19010, 26614, 37660, 38020, 53228, 66535, 133070, 266140, 511369, 1022738, 2045476, 2556845, 3579583, 5113690, 7159166, 10227380, 14318332, 17897915, 35795830, 71591660]

約数ペア:

[(1, 71591660), (2, 35795830), (4, 17897915), (5, 14318332), (7, 10227380), (10, 7159166), (14, 5113690), (20, 3579583), (28, 2556845), (35, 2045476), (70, 1022738), (140, 511369), (269, 266140), (538, 133070), (1076, 66535), (1345, 53228), (1883, 38020), (1901, 37660), (2690, 26614), (3766, 19010), (3802, 18830), (5380, 13307), (7532, 9505), (7604, 9415)]