489071720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{75011}}^1$

素因数の和:75185

約数の個数: 32

約数和(自身を含む): 1107177120

約数和(自身を除く): 618105400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 75011, 150022, 300044, 375055, 600088, 750110, 1500220, 3000440, 12226793, 24453586, 48907172, 61133965, 97814344, 122267930, 244535860, 489071720]

約数ペア:

[(1, 489071720), (2, 244535860), (4, 122267930), (5, 97814344), (8, 61133965), (10, 48907172), (20, 24453586), (40, 12226793), (163, 3000440), (326, 1500220), (652, 750110), (815, 600088), (1304, 375055), (1630, 300044), (3260, 150022), (6520, 75011)]