28249980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1907

約数の個数: 96

約数和(自身を含む): 90091008

約数和(自身を除く): 61841028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 115, 132, 138, 165, 220, 230, 253, 276, 330, 345, 460, 506, 660, 690, 759, 1012, 1265, 1380, 1518, 1861, 2530, 3036, 3722, 3795, 5060, 5583, 7444, 7590, 9305, 11166, 15180, 18610, 20471, 22332, 27915, 37220, 40942, 42803, 55830, 61413, 81884, 85606, 102355, 111660, 122826, 128409, 171212, 204710, 214015, 245652, 256818, 307065, 409420, 428030, 470833, 513636, 614130, 642045, 856060, 941666, 1228260, 1284090, 1412499, 1883332, 2354165, 2568180, 2824998, 4708330, 5649996, 7062495, 9416660, 14124990, 28249980]

約数ペア:

[(1, 28249980), (2, 14124990), (3, 9416660), (4, 7062495), (5, 5649996), (6, 4708330), (10, 2824998), (11, 2568180), (12, 2354165), (15, 1883332), (20, 1412499), (22, 1284090), (23, 1228260), (30, 941666), (33, 856060), (44, 642045), (46, 614130), (55, 513636), (60, 470833), (66, 428030), (69, 409420), (92, 307065), (110, 256818), (115, 245652), (132, 214015), (138, 204710), (165, 171212), (220, 128409), (230, 122826), (253, 111660), (276, 102355), (330, 85606), (345, 81884), (460, 61413), (506, 55830), (660, 42803), (690, 40942), (759, 37220), (1012, 27915), (1265, 22332), (1380, 20471), (1518, 18610), (1861, 15180), (2530, 11166), (3036, 9305), (3722, 7590), (3795, 7444), (5060, 5583)]