201731940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5689}}^1$

素因数の和:5901

約数の個数: 72

約数和(自身を含む): 615134520

約数和(自身を除く): 413402580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5689, 5910, 7092, 8865, 11378, 11820, 17067, 17730, 22756, 28445, 34134, 35460, 51201, 56890, 68268, 85335, 102402, 113780, 170670, 204804, 256005, 341340, 512010, 1024020, 1120733, 2241466, 3362199, 4482932, 5603665, 6724398, 10086597, 11207330, 13448796, 16810995, 20173194, 22414660, 33621990, 40346388, 50432985, 67243980, 100865970, 201731940]

約数ペア:

[(1, 201731940), (2, 100865970), (3, 67243980), (4, 50432985), (5, 40346388), (6, 33621990), (9, 22414660), (10, 20173194), (12, 16810995), (15, 13448796), (18, 11207330), (20, 10086597), (30, 6724398), (36, 5603665), (45, 4482932), (60, 3362199), (90, 2241466), (180, 1120733), (197, 1024020), (394, 512010), (591, 341340), (788, 256005), (985, 204804), (1182, 170670), (1773, 113780), (1970, 102402), (2364, 85335), (2955, 68268), (3546, 56890), (3940, 51201), (5689, 35460), (5910, 34134), (7092, 28445), (8865, 22756), (11378, 17730), (11820, 17067)]