143387140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{551489}}^1$

素因数の和:551511

約数の個数: 24

約数和(自身を含む): 324276120

約数和(自身を除く): 180888980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 551489, 1102978, 2205956, 2757445, 5514890, 7169357, 11029780, 14338714, 28677428, 35846785, 71693570, 143387140]

約数ペア:

[(1, 143387140), (2, 71693570), (4, 35846785), (5, 28677428), (10, 14338714), (13, 11029780), (20, 7169357), (26, 5514890), (52, 2757445), (65, 2205956), (130, 1102978), (260, 551489)]