55278125

素因数分解:

$5^5\times 7^2\times {\mathrm{19}}^2$

素因数の和:77

約数の個数: 54

約数和(自身を含む): 84826602

約数和(自身を除く): 29548477

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 125, 133, 175, 245, 361, 475, 625, 665, 875, 931, 1225, 1805, 2375, 2527, 3125, 3325, 4375, 4655, 6125, 9025, 11875, 12635, 16625, 17689, 21875, 23275, 30625, 45125, 59375, 63175, 83125, 88445, 116375, 153125, 225625, 315875, 415625, 442225, 581875, 1128125, 1579375, 2211125, 2909375, 7896875, 11055625, 55278125]

約数ペア:

[(1, 55278125), (5, 11055625), (7, 7896875), (19, 2909375), (25, 2211125), (35, 1579375), (49, 1128125), (95, 581875), (125, 442225), (133, 415625), (175, 315875), (245, 225625), (361, 153125), (475, 116375), (625, 88445), (665, 83125), (875, 63175), (931, 59375), (1225, 45125), (1805, 30625), (2375, 23275), (2527, 21875), (3125, 17689), (3325, 16625), (4375, 12635), (4655, 11875), (6125, 9025)]