250921580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137869}}^1$

素因数の和:137898

約数の個数: 48

約数和(自身を含む): 648540480

約数和(自身を除く): 397618900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 137869, 275738, 551476, 689345, 965083, 1378690, 1792297, 1930166, 2757380, 3584594, 3860332, 4825415, 7169188, 8961485, 9650830, 12546079, 17922970, 19301660, 25092158, 35845940, 50184316, 62730395, 125460790, 250921580]

約数ペア:

[(1, 250921580), (2, 125460790), (4, 62730395), (5, 50184316), (7, 35845940), (10, 25092158), (13, 19301660), (14, 17922970), (20, 12546079), (26, 9650830), (28, 8961485), (35, 7169188), (52, 4825415), (65, 3860332), (70, 3584594), (91, 2757380), (130, 1930166), (140, 1792297), (182, 1378690), (260, 965083), (364, 689345), (455, 551476), (910, 275738), (1820, 137869)]