402173940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{957557}}^1$

素因数の和:957576

約数の個数: 48

約数和(自身を含む): 1286957952

約数和(自身を除く): 884784012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 957557, 1915114, 2872671, 3830228, 4787785, 5745342, 6702899, 9575570, 11490684, 13405798, 14363355, 19151140, 20108697, 26811596, 28726710, 33514495, 40217394, 57453420, 67028990, 80434788, 100543485, 134057980, 201086970, 402173940]

約数ペア:

[(1, 402173940), (2, 201086970), (3, 134057980), (4, 100543485), (5, 80434788), (6, 67028990), (7, 57453420), (10, 40217394), (12, 33514495), (14, 28726710), (15, 26811596), (20, 20108697), (21, 19151140), (28, 14363355), (30, 13405798), (35, 11490684), (42, 9575570), (60, 6702899), (70, 5745342), (84, 4787785), (105, 3830228), (140, 2872671), (210, 1915114), (420, 957557)]