636294580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1\times {\mathrm{1153}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 1372032144

約数和(自身を除く): 735737564

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 673, 820, 1153, 1346, 2306, 2692, 3365, 4612, 5765, 6730, 11530, 13460, 23060, 27593, 47273, 55186, 94546, 110372, 137965, 189092, 236365, 275930, 472730, 551860, 775969, 945460, 1551938, 3103876, 3879845, 7759690, 15519380, 31814729, 63629458, 127258916, 159073645, 318147290, 636294580]

約数ペア:

[(1, 636294580), (2, 318147290), (4, 159073645), (5, 127258916), (10, 63629458), (20, 31814729), (41, 15519380), (82, 7759690), (164, 3879845), (205, 3103876), (410, 1551938), (673, 945460), (820, 775969), (1153, 551860), (1346, 472730), (2306, 275930), (2692, 236365), (3365, 189092), (4612, 137965), (5765, 110372), (6730, 94546), (11530, 55186), (13460, 47273), (23060, 27593)]