28247100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13451}}^1$

素因数の和:13475

約数の個数: 72

約数和(自身を含む): 93410688

約数和(自身を除く): 65163588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 13451, 26902, 40353, 53804, 67255, 80706, 94157, 134510, 161412, 188314, 201765, 269020, 282471, 336275, 376628, 403530, 470785, 564942, 672550, 807060, 941570, 1008825, 1129884, 1345100, 1412355, 1883140, 2017650, 2353925, 2824710, 4035300, 4707850, 5649420, 7061775, 9415700, 14123550, 28247100]

約数ペア:

[(1, 28247100), (2, 14123550), (3, 9415700), (4, 7061775), (5, 5649420), (6, 4707850), (7, 4035300), (10, 2824710), (12, 2353925), (14, 2017650), (15, 1883140), (20, 1412355), (21, 1345100), (25, 1129884), (28, 1008825), (30, 941570), (35, 807060), (42, 672550), (50, 564942), (60, 470785), (70, 403530), (75, 376628), (84, 336275), (100, 282471), (105, 269020), (140, 201765), (150, 188314), (175, 161412), (210, 134510), (300, 94157), (350, 80706), (420, 67255), (525, 53804), (700, 40353), (1050, 26902), (2100, 13451)]