311937730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{104327}}^1$

素因数の和:104370

約数の個数: 32

約数和(自身を含む): 630975744

約数和(自身を除く): 319038014

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 104327, 208654, 521635, 1043270, 1356251, 2399521, 2712502, 4799042, 6781255, 11997605, 13562510, 23995210, 31193773, 62387546, 155968865, 311937730]

約数ペア:

[(1, 311937730), (2, 155968865), (5, 62387546), (10, 31193773), (13, 23995210), (23, 13562510), (26, 11997605), (46, 6781255), (65, 4799042), (115, 2712502), (130, 2399521), (230, 1356251), (299, 1043270), (598, 521635), (1495, 208654), (2990, 104327)]