245016875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 329894400

約数和(自身を除く): 84877525

約数列:

[1, 5, 19, 25, 47, 95, 125, 235, 439, 475, 625, 893, 1175, 2195, 2375, 4465, 5875, 8341, 10975, 11875, 20633, 22325, 29375, 41705, 54875, 103165, 111625, 208525, 274375, 392027, 515825, 558125, 1042625, 1960135, 2579125, 5213125, 9800675, 12895625, 49003375, 245016875]

約数ペア:

[(1, 245016875), (5, 49003375), (19, 12895625), (25, 9800675), (47, 5213125), (95, 2579125), (125, 1960135), (235, 1042625), (439, 558125), (475, 515825), (625, 392027), (893, 274375), (1175, 208525), (2195, 111625), (2375, 103165), (4465, 54875), (5875, 41705), (8341, 29375), (10975, 22325), (11875, 20633)]