28630525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 16366595

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 107, 139, 175, 275, 385, 535, 695, 749, 973, 1177, 1529, 1925, 2675, 3475, 3745, 4865, 5885, 7645, 8239, 10703, 14873, 18725, 24325, 29425, 38225, 41195, 53515, 74365, 104111, 163603, 205975, 267575, 371825, 520555, 818015, 1145221, 2602775, 4090075, 5726105, 28630525]

約数ペア:

[(1, 28630525), (5, 5726105), (7, 4090075), (11, 2602775), (25, 1145221), (35, 818015), (55, 520555), (77, 371825), (107, 267575), (139, 205975), (175, 163603), (275, 104111), (385, 74365), (535, 53515), (695, 41195), (749, 38225), (973, 29425), (1177, 24325), (1529, 18725), (1925, 14873), (2675, 10703), (3475, 8239), (3745, 7645), (4865, 5885)]