11286980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 25446960

約数和(自身を除く): 14159980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 373, 445, 746, 890, 1492, 1513, 1780, 1865, 3026, 3730, 6052, 6341, 7460, 7565, 12682, 15130, 25364, 30260, 31705, 33197, 63410, 66394, 126820, 132788, 165985, 331970, 564349, 663940, 1128698, 2257396, 2821745, 5643490, 11286980]

約数ペア:

[(1, 11286980), (2, 5643490), (4, 2821745), (5, 2257396), (10, 1128698), (17, 663940), (20, 564349), (34, 331970), (68, 165985), (85, 132788), (89, 126820), (170, 66394), (178, 63410), (340, 33197), (356, 31705), (373, 30260), (445, 25364), (746, 15130), (890, 12682), (1492, 7565), (1513, 7460), (1780, 6341), (1865, 6052), (3026, 3730)]