380946020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{209311}}^1$

素因数の和:209340

約数の個数: 48

約数和(自身を含む): 984603648

約数和(自身を除く): 603657628

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, 209311, 418622, 837244, 1046555, 1465177, 2093110, 2721043, 2930354, 4186220, 5442086, 5860708, 7325885, 10884172, 13605215, 14651770, 19047301, 27210430, 29303540, 38094602, 54420860, 76189204, 95236505, 190473010, 380946020]

約数ペア:

[(1, 380946020), (2, 190473010), (4, 95236505), (5, 76189204), (7, 54420860), (10, 38094602), (13, 29303540), (14, 27210430), (20, 19047301), (26, 14651770), (28, 13605215), (35, 10884172), (52, 7325885), (65, 5860708), (70, 5442086), (91, 4186220), (130, 2930354), (140, 2721043), (182, 2093110), (260, 1465177), (364, 1046555), (455, 837244), (910, 418622), (1820, 209311)]