999920375

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1652

約数の個数: 32

約数和(自身を含む): 1291118400

約数和(自身を除く): 291198025

約数列:

[1, 5, 25, 37, 125, 149, 185, 745, 925, 1451, 3725, 4625, 5513, 7255, 18625, 27565, 36275, 53687, 137825, 181375, 216199, 268435, 689125, 1080995, 1342175, 5404975, 6710875, 7999363, 27024875, 39996815, 199984075, 999920375]

約数ペア:

[(1, 999920375), (5, 199984075), (25, 39996815), (37, 27024875), (125, 7999363), (149, 6710875), (185, 5404975), (745, 1342175), (925, 1080995), (1451, 689125), (3725, 268435), (4625, 216199), (5513, 181375), (7255, 137825), (18625, 53687), (27565, 36275)]