201930125

素因数分解:

$5^3\times {\mathrm{31}}^2\times {\mathrm{41}}^2$

素因数の和:159

約数の個数: 36

約数和(自身を含む): 266906484

約数和(自身を除く): 64976359

約数列:

[1, 5, 25, 31, 41, 125, 155, 205, 775, 961, 1025, 1271, 1681, 3875, 4805, 5125, 6355, 8405, 24025, 31775, 39401, 42025, 52111, 120125, 158875, 197005, 210125, 260555, 985025, 1302775, 1615441, 4925125, 6513875, 8077205, 40386025, 201930125]

約数ペア:

[(1, 201930125), (5, 40386025), (25, 8077205), (31, 6513875), (41, 4925125), (125, 1615441), (155, 1302775), (205, 985025), (775, 260555), (961, 210125), (1025, 197005), (1271, 158875), (1681, 120125), (3875, 52111), (4805, 42025), (5125, 39401), (6355, 31775), (8405, 24025)]