155751875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 209520432

約数和(自身を除く): 53768557

約数列:

[1, 5, 17, 25, 85, 107, 125, 137, 425, 535, 625, 685, 1819, 2125, 2329, 2675, 3425, 9095, 10625, 11645, 13375, 14659, 17125, 45475, 58225, 66875, 73295, 85625, 227375, 249203, 291125, 366475, 1136875, 1246015, 1455625, 1832375, 6230075, 9161875, 31150375, 155751875]

約数ペア:

[(1, 155751875), (5, 31150375), (17, 9161875), (25, 6230075), (85, 1832375), (107, 1455625), (125, 1246015), (137, 1136875), (425, 366475), (535, 291125), (625, 249203), (685, 227375), (1819, 85625), (2125, 73295), (2329, 66875), (2675, 58225), (3425, 45475), (9095, 17125), (10625, 14659), (11645, 13375)]