1282206980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{42373}}^1$

素因数の和:42488

約数の個数: 48

約数和(自身を含む): 2883126960

約数和(自身を除く): 1600919980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 30260, 42373, 84746, 169492, 211865, 423730, 720341, 847460, 1440682, 2881364, 3601705, 3771197, 7203410, 7542394, 14406820, 15084788, 18855985, 37711970, 64110349, 75423940, 128220698, 256441396, 320551745, 641103490, 1282206980]

約数ペア:

[(1, 1282206980), (2, 641103490), (4, 320551745), (5, 256441396), (10, 128220698), (17, 75423940), (20, 64110349), (34, 37711970), (68, 18855985), (85, 15084788), (89, 14406820), (170, 7542394), (178, 7203410), (340, 3771197), (356, 3601705), (445, 2881364), (890, 1440682), (1513, 847460), (1780, 720341), (3026, 423730), (6052, 211865), (7565, 169492), (15130, 84746), (30260, 42373)]