206287760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4139}}^1$

素因数の和:4248

約数の個数: 80

約数和(自身を含む): 554428800

約数和(自身を除く): 348141040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4139, 4984, 6230, 7120, 8278, 9968, 12460, 16556, 20695, 24920, 28973, 33112, 41390, 49840, 57946, 66224, 82780, 115892, 144865, 165560, 231784, 289730, 331120, 368371, 463568, 579460, 736742, 1158920, 1473484, 1841855, 2317840, 2578597, 2946968, 3683710, 5157194, 5893936, 7367420, 10314388, 12892985, 14734840, 20628776, 25785970, 29469680, 41257552, 51571940, 103143880, 206287760]

約数ペア:

[(1, 206287760), (2, 103143880), (4, 51571940), (5, 41257552), (7, 29469680), (8, 25785970), (10, 20628776), (14, 14734840), (16, 12892985), (20, 10314388), (28, 7367420), (35, 5893936), (40, 5157194), (56, 3683710), (70, 2946968), (80, 2578597), (89, 2317840), (112, 1841855), (140, 1473484), (178, 1158920), (280, 736742), (356, 579460), (445, 463568), (560, 368371), (623, 331120), (712, 289730), (890, 231784), (1246, 165560), (1424, 144865), (1780, 115892), (2492, 82780), (3115, 66224), (3560, 57946), (4139, 49840), (4984, 41390), (6230, 33112), (7120, 28973), (8278, 24920), (9968, 20695), (12460, 16556)]