253945900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{195343}}^1$

素因数の和:195370

約数の個数: 36

約数和(自身を含む): 593455072

約数和(自身を除く): 339509172

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 195343, 390686, 781372, 976715, 1953430, 2539459, 3906860, 4883575, 5078918, 9767150, 10157836, 12697295, 19534300, 25394590, 50789180, 63486475, 126972950, 253945900]

約数ペア:

[(1, 253945900), (2, 126972950), (4, 63486475), (5, 50789180), (10, 25394590), (13, 19534300), (20, 12697295), (25, 10157836), (26, 9767150), (50, 5078918), (52, 4883575), (65, 3906860), (100, 2539459), (130, 1953430), (260, 976715), (325, 781372), (650, 390686), (1300, 195343)]