287487025

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 424258560

約数和(自身を除く): 136771535

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 197, 217, 269, 775, 985, 1085, 1345, 1379, 1883, 4925, 5425, 6107, 6725, 6895, 8339, 9415, 30535, 34475, 41695, 42749, 47075, 52993, 58373, 152675, 208475, 213745, 264965, 291865, 370951, 1068725, 1324825, 1459325, 1642783, 1854755, 8213915, 9273775, 11499481, 41069575, 57497405, 287487025]

約数ペア:

[(1, 287487025), (5, 57497405), (7, 41069575), (25, 11499481), (31, 9273775), (35, 8213915), (155, 1854755), (175, 1642783), (197, 1459325), (217, 1324825), (269, 1068725), (775, 370951), (985, 291865), (1085, 264965), (1345, 213745), (1379, 208475), (1883, 152675), (4925, 58373), (5425, 52993), (6107, 47075), (6725, 42749), (6895, 41695), (8339, 34475), (9415, 30535)]