156980780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1913}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 360781344

約数和(自身を除く): 203800564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 373, 746, 1492, 1865, 1913, 3730, 3826, 4103, 7460, 7652, 8206, 9565, 16412, 19130, 20515, 21043, 38260, 41030, 42086, 82060, 84172, 105215, 210430, 420860, 713549, 1427098, 2854196, 3567745, 7135490, 7849039, 14270980, 15698078, 31396156, 39245195, 78490390, 156980780]

約数ペア:

[(1, 156980780), (2, 78490390), (4, 39245195), (5, 31396156), (10, 15698078), (11, 14270980), (20, 7849039), (22, 7135490), (44, 3567745), (55, 2854196), (110, 1427098), (220, 713549), (373, 420860), (746, 210430), (1492, 105215), (1865, 84172), (1913, 82060), (3730, 42086), (3826, 41030), (4103, 38260), (7460, 21043), (7652, 20515), (8206, 19130), (9565, 16412)]