388516625

素因数分解:

$5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 584962560

約数和(自身を除く): 196445935

約数列:

[1, 5, 7, 25, 29, 35, 61, 125, 145, 175, 203, 251, 305, 427, 725, 875, 1015, 1255, 1525, 1757, 1769, 2135, 3625, 5075, 6275, 7279, 7625, 8785, 8845, 10675, 12383, 15311, 25375, 31375, 36395, 43925, 44225, 50953, 53375, 61915, 76555, 107177, 181975, 219625, 221125, 254765, 309575, 382775, 444019, 535885, 909875, 1273825, 1547875, 1913875, 2220095, 2679425, 3108133, 6369125, 11100475, 13397125, 15540665, 55502375, 77703325, 388516625]

約数ペア:

[(1, 388516625), (5, 77703325), (7, 55502375), (25, 15540665), (29, 13397125), (35, 11100475), (61, 6369125), (125, 3108133), (145, 2679425), (175, 2220095), (203, 1913875), (251, 1547875), (305, 1273825), (427, 909875), (725, 535885), (875, 444019), (1015, 382775), (1255, 309575), (1525, 254765), (1757, 221125), (1769, 219625), (2135, 181975), (3625, 107177), (5075, 76555), (6275, 61915), (7279, 53375), (7625, 50953), (8785, 44225), (8845, 43925), (10675, 36395), (12383, 31375), (15311, 25375)]