28807625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 46545408

約数和(自身を除く): 17737783

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 73, 77, 125, 175, 205, 275, 287, 365, 385, 451, 511, 803, 875, 1025, 1375, 1435, 1825, 1925, 2255, 2555, 2993, 3157, 4015, 5125, 5621, 7175, 9125, 9625, 11275, 12775, 14965, 15785, 20075, 20951, 28105, 32923, 35875, 56375, 63875, 74825, 78925, 100375, 104755, 140525, 164615, 230461, 374125, 394625, 523775, 702625, 823075, 1152305, 2618875, 4115375, 5761525, 28807625]

約数ペア:

[(1, 28807625), (5, 5761525), (7, 4115375), (11, 2618875), (25, 1152305), (35, 823075), (41, 702625), (55, 523775), (73, 394625), (77, 374125), (125, 230461), (175, 164615), (205, 140525), (275, 104755), (287, 100375), (365, 78925), (385, 74825), (451, 63875), (511, 56375), (803, 35875), (875, 32923), (1025, 28105), (1375, 20951), (1435, 20075), (1825, 15785), (1925, 14965), (2255, 12775), (2555, 11275), (2993, 9625), (3157, 9125), (4015, 7175), (5125, 5621)]