305467120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{545477}}^1$

素因数の和:545497

約数の個数: 40

約数和(自身を含む): 811671264

約数和(自身を除く): 506204144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 545477, 1090954, 2181908, 2727385, 3818339, 4363816, 5454770, 7636678, 8727632, 10909540, 15273356, 19091695, 21819080, 30546712, 38183390, 43638160, 61093424, 76366780, 152733560, 305467120]

約数ペア:

[(1, 305467120), (2, 152733560), (4, 76366780), (5, 61093424), (7, 43638160), (8, 38183390), (10, 30546712), (14, 21819080), (16, 19091695), (20, 15273356), (28, 10909540), (35, 8727632), (40, 7636678), (56, 5454770), (70, 4363816), (80, 3818339), (112, 2727385), (140, 2181908), (280, 1090954), (560, 545477)]