201587820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479971}}^1$

素因数の和:479990

約数の個数: 48

約数和(自身を含む): 645082368

約数和(自身を除く): 443494548

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, 479971, 959942, 1439913, 1919884, 2399855, 2879826, 3359797, 4799710, 5759652, 6719594, 7199565, 9599420, 10079391, 13439188, 14399130, 16798985, 20158782, 28798260, 33597970, 40317564, 50396955, 67195940, 100793910, 201587820]

約数ペア:

[(1, 201587820), (2, 100793910), (3, 67195940), (4, 50396955), (5, 40317564), (6, 33597970), (7, 28798260), (10, 20158782), (12, 16798985), (14, 14399130), (15, 13439188), (20, 10079391), (21, 9599420), (28, 7199565), (30, 6719594), (35, 5759652), (42, 4799710), (60, 3359797), (70, 2879826), (84, 2399855), (105, 1919884), (140, 1439913), (210, 959942), (420, 479971)]