203920390480

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{7220977}}^1$

素因数の和:7221343

約数の個数: 40

約数和(自身を含む): 475458075432

約数和(自身を除く): 271537684952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 5648, 7060, 14120, 28240, 7220977, 14441954, 28883908, 36104885, 57767816, 72209770, 115535632, 144419540, 288839080, 577678160, 2549004881, 5098009762, 10196019524, 12745024405, 20392039048, 25490048810, 40784078096, 50980097620, 101960195240, 203920390480]

約数ペア:

[(1, 203920390480), (2, 101960195240), (4, 50980097620), (5, 40784078096), (8, 25490048810), (10, 20392039048), (16, 12745024405), (20, 10196019524), (40, 5098009762), (80, 2549004881), (353, 577678160), (706, 288839080), (1412, 144419540), (1765, 115535632), (2824, 72209770), (3530, 57767816), (5648, 36104885), (7060, 28883908), (14120, 14441954), (28240, 7220977)]