28417060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 70326144

約数和(自身を除く): 41909084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 271, 428, 490, 535, 542, 749, 980, 1070, 1084, 1355, 1498, 1897, 2140, 2710, 2996, 3745, 3794, 5243, 5420, 7490, 7588, 9485, 10486, 13279, 14980, 18970, 20972, 26215, 26558, 28997, 37940, 52430, 53116, 57994, 66395, 104860, 115988, 132790, 144985, 202979, 265580, 289970, 405958, 579940, 811916, 1014895, 1420853, 2029790, 2841706, 4059580, 5683412, 7104265, 14208530, 28417060]

約数ペア:

[(1, 28417060), (2, 14208530), (4, 7104265), (5, 5683412), (7, 4059580), (10, 2841706), (14, 2029790), (20, 1420853), (28, 1014895), (35, 811916), (49, 579940), (70, 405958), (98, 289970), (107, 265580), (140, 202979), (196, 144985), (214, 132790), (245, 115988), (271, 104860), (428, 66395), (490, 57994), (535, 53116), (542, 52430), (749, 37940), (980, 28997), (1070, 26558), (1084, 26215), (1355, 20972), (1498, 18970), (1897, 14980), (2140, 13279), (2710, 10486), (2996, 9485), (3745, 7588), (3794, 7490), (5243, 5420)]