307824020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{20549}}^1$

素因数の和:20672

約数の個数: 48

約数和(自身を含む): 745718400

約数和(自身を除く): 437894380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 20549, 41098, 82196, 102745, 143843, 205490, 287686, 410980, 575372, 719215, 1438430, 2198743, 2876860, 4397486, 8794972, 10993715, 15391201, 21987430, 30782402, 43974860, 61564804, 76956005, 153912010, 307824020]

約数ペア:

[(1, 307824020), (2, 153912010), (4, 76956005), (5, 61564804), (7, 43974860), (10, 30782402), (14, 21987430), (20, 15391201), (28, 10993715), (35, 8794972), (70, 4397486), (107, 2876860), (140, 2198743), (214, 1438430), (428, 719215), (535, 575372), (749, 410980), (1070, 287686), (1498, 205490), (2140, 143843), (2996, 102745), (3745, 82196), (7490, 41098), (14980, 20549)]