53142460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 130942224

約数和(自身を除く): 77799764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 211, 245, 257, 422, 490, 514, 844, 980, 1028, 1055, 1285, 1477, 1799, 2110, 2570, 2954, 3598, 4220, 5140, 5908, 7196, 7385, 8995, 10339, 12593, 14770, 17990, 20678, 25186, 29540, 35980, 41356, 50372, 51695, 54227, 62965, 103390, 108454, 125930, 206780, 216908, 251860, 271135, 379589, 542270, 759178, 1084540, 1518356, 1897945, 2657123, 3795890, 5314246, 7591780, 10628492, 13285615, 26571230, 53142460]

約数ペア:

[(1, 53142460), (2, 26571230), (4, 13285615), (5, 10628492), (7, 7591780), (10, 5314246), (14, 3795890), (20, 2657123), (28, 1897945), (35, 1518356), (49, 1084540), (70, 759178), (98, 542270), (140, 379589), (196, 271135), (211, 251860), (245, 216908), (257, 206780), (422, 125930), (490, 108454), (514, 103390), (844, 62965), (980, 54227), (1028, 51695), (1055, 50372), (1285, 41356), (1477, 35980), (1799, 29540), (2110, 25186), (2570, 20678), (2954, 17990), (3598, 14770), (4220, 12593), (5140, 10339), (5908, 8995), (7196, 7385)]