280852984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{17939}}^1$

素因数の和:18067

約数の個数: 32

約数和(自身を含む): 559728000

約数和(自身を除く): 278875016

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1957, 3914, 7828, 15656, 17939, 35878, 71756, 143512, 340841, 681682, 1363364, 1847717, 2726728, 3695434, 7390868, 14781736, 35106623, 70213246, 140426492, 280852984]

約数ペア:

[(1, 280852984), (2, 140426492), (4, 70213246), (8, 35106623), (19, 14781736), (38, 7390868), (76, 3695434), (103, 2726728), (152, 1847717), (206, 1363364), (412, 681682), (824, 340841), (1957, 143512), (3914, 71756), (7828, 35878), (15656, 17939)]