1403745980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{771289}}^1$

素因数の和:771318

約数の個数: 48

約数和(自身を含む): 3628148160

約数和(自身を除く): 2224402180

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, 771289, 1542578, 3085156, 3856445, 5399023, 7712890, 10026757, 10798046, 15425780, 20053514, 21596092, 26995115, 40107028, 50133785, 53990230, 70187299, 100267570, 107980460, 140374598, 200535140, 280749196, 350936495, 701872990, 1403745980]

約数ペア:

[(1, 1403745980), (2, 701872990), (4, 350936495), (5, 280749196), (7, 200535140), (10, 140374598), (13, 107980460), (14, 100267570), (20, 70187299), (26, 53990230), (28, 50133785), (35, 40107028), (52, 26995115), (65, 21596092), (70, 20053514), (91, 15425780), (130, 10798046), (140, 10026757), (182, 7712890), (260, 5399023), (364, 3856445), (455, 3085156), (910, 1542578), (1820, 771289)]