38978730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61871}}^1$

素因数の和:61891

約数の個数: 48

約数和(自身を含む): 115824384

約数和(自身を除く): 76845654

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 61871, 123742, 185613, 309355, 371226, 433097, 556839, 618710, 866194, 928065, 1113678, 1299291, 1856130, 2165485, 2598582, 2784195, 3897873, 4330970, 5568390, 6496455, 7795746, 12992910, 19489365, 38978730]

約数ペア:

[(1, 38978730), (2, 19489365), (3, 12992910), (5, 7795746), (6, 6496455), (7, 5568390), (9, 4330970), (10, 3897873), (14, 2784195), (15, 2598582), (18, 2165485), (21, 1856130), (30, 1299291), (35, 1113678), (42, 928065), (45, 866194), (63, 618710), (70, 556839), (90, 433097), (105, 371226), (126, 309355), (210, 185613), (315, 123742), (630, 61871)]