188646640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25913}}^1$

素因数の和:25946

約数の個数: 80

約数和(自身を含む): 539840448

約数和(自身を除く): 351193808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 25913, 51826, 103652, 129565, 181391, 207304, 259130, 336869, 362782, 414608, 518260, 673738, 725564, 906955, 1036520, 1347476, 1451128, 1684345, 1813910, 2073040, 2358083, 2694952, 2902256, 3368690, 3627820, 4716166, 5389904, 6737380, 7255640, 9432332, 11790415, 13474760, 14511280, 18864664, 23580830, 26949520, 37729328, 47161660, 94323320, 188646640]

約数ペア:

[(1, 188646640), (2, 94323320), (4, 47161660), (5, 37729328), (7, 26949520), (8, 23580830), (10, 18864664), (13, 14511280), (14, 13474760), (16, 11790415), (20, 9432332), (26, 7255640), (28, 6737380), (35, 5389904), (40, 4716166), (52, 3627820), (56, 3368690), (65, 2902256), (70, 2694952), (80, 2358083), (91, 2073040), (104, 1813910), (112, 1684345), (130, 1451128), (140, 1347476), (182, 1036520), (208, 906955), (260, 725564), (280, 673738), (364, 518260), (455, 414608), (520, 362782), (560, 336869), (728, 259130), (910, 207304), (1040, 181391), (1456, 129565), (1820, 103652), (3640, 51826), (7280, 25913)]