69973580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2069}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 156492000

約数和(自身を除く): 86518420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 2069, 3382, 4138, 6764, 8276, 8455, 10345, 16910, 20690, 33820, 39311, 41380, 78622, 157244, 184141, 196555, 368282, 393110, 736564, 786220, 920705, 1841410, 3498679, 3682820, 6997358, 13994716, 17493395, 34986790, 69973580]

約数ペア:

[(1, 69973580), (2, 34986790), (4, 17493395), (5, 13994716), (10, 6997358), (19, 3682820), (20, 3498679), (38, 1841410), (76, 920705), (89, 786220), (95, 736564), (178, 393110), (190, 368282), (356, 196555), (380, 184141), (445, 157244), (890, 78622), (1691, 41380), (1780, 39311), (2069, 33820), (3382, 20690), (4138, 16910), (6764, 10345), (8276, 8455)]