1857041825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 2506982400

約数和(自身を除く): 649940575

約数列:

[1, 5, 25, 29, 31, 53, 145, 155, 265, 725, 775, 899, 1325, 1537, 1559, 1643, 4495, 7685, 7795, 8215, 22475, 38425, 38975, 41075, 45211, 47647, 48329, 82627, 226055, 238235, 241645, 413135, 1130275, 1191175, 1208225, 1401541, 2065675, 2396183, 2561437, 7007705, 11980915, 12807185, 35038525, 59904575, 64035925, 74281673, 371408365, 1857041825]

約数ペア:

[(1, 1857041825), (5, 371408365), (25, 74281673), (29, 64035925), (31, 59904575), (53, 35038525), (145, 12807185), (155, 11980915), (265, 7007705), (725, 2561437), (775, 2396183), (899, 2065675), (1325, 1401541), (1537, 1208225), (1559, 1191175), (1643, 1130275), (4495, 413135), (7685, 241645), (7795, 238235), (8215, 226055), (22475, 82627), (38425, 48329), (38975, 47647), (41075, 45211)]