201506875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 269913600

約数和(自身を除く): 68406725

約数列:

[1, 5, 19, 25, 71, 95, 125, 239, 355, 475, 625, 1195, 1349, 1775, 2375, 4541, 5975, 6745, 8875, 11875, 16969, 22705, 29875, 33725, 44375, 84845, 113525, 149375, 168625, 322411, 424225, 567625, 843125, 1612055, 2121125, 2838125, 8060275, 10605625, 40301375, 201506875]

約数ペア:

[(1, 201506875), (5, 40301375), (19, 10605625), (25, 8060275), (71, 2838125), (95, 2121125), (125, 1612055), (239, 843125), (355, 567625), (475, 424225), (625, 322411), (1195, 168625), (1349, 149375), (1775, 113525), (2375, 84845), (4541, 44375), (5975, 33725), (6745, 29875), (8875, 22705), (11875, 16969)]