147212980

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{14461}}^1$

素因数の和:14979

約数の個数: 24

約数和(自身を含む): 309776040

約数和(自身を除く): 162563060

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 14461, 28922, 57844, 72305, 144610, 289220, 7360649, 14721298, 29442596, 36803245, 73606490, 147212980]

約数ペア:

[(1, 147212980), (2, 73606490), (4, 36803245), (5, 29442596), (10, 14721298), (20, 7360649), (509, 289220), (1018, 144610), (2036, 72305), (2545, 57844), (5090, 28922), (10180, 14461)]