28351180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 73156608

約数和(自身を除く): 44805428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 220, 230, 253, 260, 286, 299, 431, 460, 506, 572, 598, 715, 862, 1012, 1196, 1265, 1430, 1495, 1724, 2155, 2530, 2860, 2990, 3289, 4310, 4741, 5060, 5603, 5980, 6578, 8620, 9482, 9913, 11206, 13156, 16445, 18964, 19826, 22412, 23705, 28015, 32890, 39652, 47410, 49565, 56030, 61633, 65780, 94820, 99130, 109043, 112060, 123266, 128869, 198260, 218086, 246532, 257738, 308165, 436172, 515476, 545215, 616330, 644345, 1090430, 1232660, 1288690, 1417559, 2180860, 2577380, 2835118, 5670236, 7087795, 14175590, 28351180]

約数ペア:

[(1, 28351180), (2, 14175590), (4, 7087795), (5, 5670236), (10, 2835118), (11, 2577380), (13, 2180860), (20, 1417559), (22, 1288690), (23, 1232660), (26, 1090430), (44, 644345), (46, 616330), (52, 545215), (55, 515476), (65, 436172), (92, 308165), (110, 257738), (115, 246532), (130, 218086), (143, 198260), (220, 128869), (230, 123266), (253, 112060), (260, 109043), (286, 99130), (299, 94820), (431, 65780), (460, 61633), (506, 56030), (572, 49565), (598, 47410), (715, 39652), (862, 32890), (1012, 28015), (1196, 23705), (1265, 22412), (1430, 19826), (1495, 18964), (1724, 16445), (2155, 13156), (2530, 11206), (2860, 9913), (2990, 9482), (3289, 8620), (4310, 6578), (4741, 5980), (5060, 5603)]