210920970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{540823}}^1$

素因数の和:540846

約数の個数: 32

約数和(自身を含む): 545150592

約数和(自身を除く): 334229622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 540823, 1081646, 1622469, 2704115, 3244938, 5408230, 7030699, 8112345, 14061398, 16224690, 21092097, 35153495, 42184194, 70306990, 105460485, 210920970]

約数ペア:

[(1, 210920970), (2, 105460485), (3, 70306990), (5, 42184194), (6, 35153495), (10, 21092097), (13, 16224690), (15, 14061398), (26, 8112345), (30, 7030699), (39, 5408230), (65, 3244938), (78, 2704115), (130, 1622469), (195, 1081646), (390, 540823)]