217711760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12541}}^1$

素因数の和:12592

約数の個数: 80

約数和(自身を含む): 597199872

約数和(自身を除く): 379488112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12541, 17360, 25082, 50164, 62705, 87787, 100328, 125410, 175574, 200656, 250820, 351148, 388771, 438935, 501640, 702296, 777542, 877870, 1003280, 1404592, 1555084, 1755740, 1943855, 2721397, 3110168, 3511480, 3887710, 5442794, 6220336, 7022960, 7775420, 10885588, 13606985, 15550840, 21771176, 27213970, 31101680, 43542352, 54427940, 108855880, 217711760]

約数ペア:

[(1, 217711760), (2, 108855880), (4, 54427940), (5, 43542352), (7, 31101680), (8, 27213970), (10, 21771176), (14, 15550840), (16, 13606985), (20, 10885588), (28, 7775420), (31, 7022960), (35, 6220336), (40, 5442794), (56, 3887710), (62, 3511480), (70, 3110168), (80, 2721397), (112, 1943855), (124, 1755740), (140, 1555084), (155, 1404592), (217, 1003280), (248, 877870), (280, 777542), (310, 702296), (434, 501640), (496, 438935), (560, 388771), (620, 351148), (868, 250820), (1085, 200656), (1240, 175574), (1736, 125410), (2170, 100328), (2480, 87787), (3472, 62705), (4340, 50164), (8680, 25082), (12541, 17360)]