199774890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{105701}}^1$

素因数の和:105724

約数の個数: 64

約数和(自身を含む): 608843520

約数和(自身を除く): 409068630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 105701, 211402, 317103, 528505, 634206, 739907, 951309, 1057010, 1479814, 1585515, 1902618, 2219721, 2853927, 3171030, 3699535, 4439442, 4756545, 5707854, 6659163, 7399070, 9513090, 11098605, 13318326, 14269635, 19977489, 22197210, 28539270, 33295815, 39954978, 66591630, 99887445, 199774890]

約数ペア:

[(1, 199774890), (2, 99887445), (3, 66591630), (5, 39954978), (6, 33295815), (7, 28539270), (9, 22197210), (10, 19977489), (14, 14269635), (15, 13318326), (18, 11098605), (21, 9513090), (27, 7399070), (30, 6659163), (35, 5707854), (42, 4756545), (45, 4439442), (54, 3699535), (63, 3171030), (70, 2853927), (90, 2219721), (105, 1902618), (126, 1585515), (135, 1479814), (189, 1057010), (210, 951309), (270, 739907), (315, 634206), (378, 528505), (630, 317103), (945, 211402), (1890, 105701)]