201218675

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 304742400

約数和(自身を除く): 103523725

約数列:

[1, 5, 7, 25, 29, 31, 35, 145, 155, 175, 203, 217, 725, 775, 899, 1015, 1085, 1279, 4495, 5075, 5425, 6293, 6395, 8953, 22475, 31465, 31975, 37091, 39649, 44765, 157325, 185455, 198245, 223825, 259637, 277543, 927275, 991225, 1149821, 1298185, 1387715, 5749105, 6490925, 6938575, 8048747, 28745525, 40243735, 201218675]

約数ペア:

[(1, 201218675), (5, 40243735), (7, 28745525), (25, 8048747), (29, 6938575), (31, 6490925), (35, 5749105), (145, 1387715), (155, 1298185), (175, 1149821), (203, 991225), (217, 927275), (725, 277543), (775, 259637), (899, 223825), (1015, 198245), (1085, 185455), (1279, 157325), (4495, 44765), (5075, 39649), (5425, 37091), (6293, 31975), (6395, 31465), (8953, 22475)]